EXHIBIT 10.10
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                            STOCK PURCHASE AGREEMENT

                                      Among
                       LIQUID STONE PARTNERS ("PURCHASER")
                                       And
                 NATIONAL HEALTHCARE TECHNOLOGY, INC ("SELLER")


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This STOCK PURCHASE  AGREEMENT,  is made as of April 4, 2006 the  ("Agreement"),
between LIQUID STONE PARTNERS, ("Liquid"or"Purchaser"),  and NATIONAL HEALTHCARE
TECHNOLOGY, INC., ("National") a Colorado Corporation ("Seller").

         WHEREAS,  the Board of Directors of the Seller and the duly  authorized
Managing  Partner of the Purchaser have approved the terms of this Agreement and
of the transactions contemplated hereby; and

         WHEREAS,  Seller  desires  to  sell  all  of  the  stock,  assets,  and
liabilities  of ES3 Special  Stone  Surfaces Inc, a Nevada  Corporation,  the ("
Company");and

         WHEREAS,  the Seller and Purchaser desire to set forth the terms of the
agreement in connection with the transactions provided for herein; and

         WHEREAS,  the Closing of the transactions will occur upon the execution
of this  agreement  that  the  effective  date  for  accounting  tax  and  other
considerations for this agreement shall be 10/1/05.

         NOW, THEREFORE,  in consideration of the promises and  representations,
warranties and agreements herein contained, the parties hereto agree as follows:


                                              ARTICLE 1 - DEFINITIONS

Definitions.  As used  herein,  the  following  terms  shall have the  following
meanings:


         "Agreement"  has the meaning  specified in the  introductory  paragraph
above.

         "Ancillary Documents" as to any Person means all agreements,  releases,
certificates  and other  documents  contemplated by this Agreement to be entered
into or executed by such  Person;  and where a reference  to a Person is made in
conjunction with a reference to "Ancillary Documents," the term shall refer only
to such documents which such Person has entered into or executed.

         "Closing" has the meaning specified in Section 3.01 hereof.

         "Closing Date" has the meaning specified in Section 3.01 hereof.


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         "Code" means the Internal Revenue Code of 1986, as amended.

         "Common Stock" means the common stock of the Seller.

         "Damages" has the meaning specified in Section 6.02 hereof.

         "Governmental Entity" has the meaning specified in Section 4.02 hereof.

          "Knowledge" means, with respect to any Person, (i) actual knowledge of
such Person  (including the actual knowledge of the officers,  directors and key
employees  of such  Person)  and (ii)  actual  knowledge  that  could  have been
acquired by such Person  after making such due inquiry and  exercising  such due
diligence  as a  prudent  businessperson  would  have made or  exercised  in the
management of his or her business affairs in light of the circumstances.

         "Laws"  means all  applicable  common law and any statute,  law,  code,
ordinance, regulation, rule, resolution, order, determination, writ, injunction,
award (including,  without limitation,  any award of any arbitrator),  judgments
and  decrees  applicable  to  the  specified  persons  or  entities  and  to the
businesses and assets thereof.

         "Person"  means a natural  person,  corporation,  partnership  or other
business entity, or any Governmental Entity.

         "Purchaser"  has the meaning  specified in the  introductory  paragraph
above.

         "SEC" means the Securities and Exchange Commission.

         "Securities Act" means the Securities Act of 1933, as amended.

         "Seller" has the meaning specified in the introductory paragraph above.

          "Tax" and "Taxes"  shall mean all  federal,  state,  local and foreign
property,  sales and use, payroll,  withholding,  franchise and income taxes and
all assessments,  rates, levies, fees and other governmental charges,  including
any interest and penalties in respect of such amounts.

                                             ARTICLE 2 - PURCHASED STOCK

            2.01 Purchase and Sale of Stock. Subject to the terms and conditions
of this Agreement and in reliance upon Seller's  representations  and warranties
contained  herein,  at Closing,  Seller  shall,  convey,  assign,  transfer  and
deliver,  and Purchaser shall acquire all of the issued and outstanding stock of
ES3 Liquid Stone  Surfaces Inc, a Nevada  Corporation  and all of the assets and
liabilities of the company. The liabilities shall be all liabilities  associated
with the company

         2.02.  Purchase  Price.  The  Purchase  price  shall  be  equal  to the
liabilities  of the company  which are assumed by Purchaser  in this  agreement.
Purchaser  specifically  assumes all  liabilities,  obligations,  debts,  liens,


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employee  wages and all other  obligations  associated  with the  operation  and
management of the company.  Purchaser  agrees to take the company with all known
and unknown assets,  liabilities and obligations associated with the company and
the operations of the company

                   ARTICLE 3 - THE CLOSING; ACQUISITION PRICE

          3.01 Closing.  The Closing  referred to herein as a "Closing",  and at
the date of the Closing being April 4, 2006, Seller shall deliver to Purchaser a
certificate for the appropriate number of Shares to be purchased at such Closing
by Purchaser.


              ARTICLE 4 - REPRESENTATIONS AND WARRANTIES OF SELLER

         Seller hereby represents and warrants to Purchaser as follows:

                  4.01  Organization,  Good Standing and Foreign  Qualification.
Seller is a Colorado  corporation duly  incorporated and validly existing and in
good standing under the laws of. Seller or its Subsidiaries are duly licensed or
qualified to do business as a foreign  corporation and is in good standing under
the laws of each other  jurisdiction  in which the  character of the  properties
owned or leased by it therein or in which the transaction of business makes such
qualification necessary, except where the failure to so qualify would not have a
material adverse effect on Sellers.

            4.02 Authority  Relative to Agreements.  Subject to Seller's receipt
of shareholder approval  ("Shareholder  Approval") for the sale of Shares in the
Second Closing,  Seller has the requisite corporate power and authority to enter
into  this  Agreement  and all  Ancillary  Documents,  and to  carry  out  their
obligations  hereunder  and  hereunder.  The  execution  and  delivery  of  this
Agreement and each Ancillary Document,  and the consummation of the transactions
provided  for herein and therein,  have been duly  authorized  by the  unanimous
consent of the Board of Directors  of Seller and does not violate any  provision
of the  respective  Certificates  of  Incorporation  or  Bylaws of Seller or its
Subsidiaries.  The  execution  by Seller of this  Agreement  and each  Ancillary
Document,  and, subject to the receipt of Shareholder Approval, the consummation
of the transactions  provided for hereby and thereby,  will not conflict with or
effect a breach,  violation,  default,  or cause an event of default,  under any
mortgage,  lease,  or other material  agreement or  instrument,  or any statute,
regulation,  order,  judgment or decree to which Sellers are a party or by which
they are bound, or any law or governmental  regulation  applicable to Seller, or
require  the consent of any Person  (other than the parties to this  Agreement).
Without  limiting  the  generality  of the  foregoing,  and except for  Seller's
receipt of  Shareholder  Approval  and the filing  with the SEC and  delivery to
Seller's stockholders of the required  proxy/information  statement, no notices,
reports or other  filings are  required to be made by Seller  with,  nor are any
consents,  registrations,  approvals,  permits or authorizations  required to be
obtained  by  Seller  from,  any  government  or  governmental,   regulatory  or


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administrative  authority or agency,  domestic or foreign (each, a "Governmental
Entity"),  in connection  with the  execution and delivery of this  Agreement by
Seller and the consummation by Seller of the  transactions  contemplated by this
Agreement  and  the  Ancillary  Documents.  This  Agreement  and  the  Ancillary
Documents constitute legal, valid and binding obligations of Seller, enforceable
in accordance with their terms,  except as enforcement thereof may be limited by
applicable  bankruptcy,  reorganization,  insolvency,  moratorium  or other laws
affecting  rights of  creditors  generally  and  general  principles  of equity,
whether applied at law or in equity.

         4.03 Tax Matters. To the best Knowledge of Seller,  Seller has duly and
timely filed all tax returns and reports  required to be filed by Seller and its
Subsidiaries prior to Closing,  except to the extent that any failure or alleged
failure  to file any Tax  return or report  would  not have a  material  adverse
effect on Seller or the Acquired Assets. All of Sellers' tax returns and reports
are true and complete in all material respects.  Seller has paid all taxes shown
to be due on the aforesaid tax returns and reports.

         4.04. Litigation.  There is no prosecution,  suit, action,  arbitration
proceeding  or  governmental  proceeding  pending,  or to the best  Knowledge of
Seller,  threatened,  against or  affecting  Seller or its  Subsidiaries  or the
transactions  contemplated by this Agreement.  There is not outstanding  against
Seller or its Subsidiaries any decision,  judgment, decree, injunction,  rule or
order of any court, arbitrator or Governmental Entity.

         4.05. Brokers.  Purchaser shall not have any obligation or liability to
pay any fee or other  compensation to any Person engaged by Seller in connection
with this Agreement and the transactions contemplated hereby.


         4.06. True Copies. All copies of documents  delivered or made available
to Purchaser in connection  with this  Agreement are true and correct  copies of
the originals thereof.

         4.07.  Compliance with Law.  Seller is in material  compliance with all
federal,  state and local laws,  regulations  and  ordinances  applicable to its
business and operations.

         4.08.  Intellectual  Property. The best Knowledge of Seller, Seller and
its Subsidiaries owns, or are licensed or otherwise possess legally  enforceable
rights  to use  its  Intellectual  Property,  free  and  clear  of all  material
encumbrances.  Seller does not have any  Knowledge and Sellers have not received
any  notice to the  effect  that (i) the use of the  Intellectual  Property  may
infringe on any intellectual  property right or other legally protect-able right
of another,  or (ii) any Person is using any  patents,  copyrights,  trademarks,
service  marks,  trade  names,  trade  secrets  or  similar  property  that  are
confusingly similar with the Intellectual Property. Sellers have not granted any
license or other  right to any other  Person  with  respect to the  Intellectual
Property.   To  the  best  of  Sellers'  Knowledge,   the  consummation  of  the
transactions  contemplated  by this Agreement will not result in the termination
or impairment of any of the  Intellectual  Property.  Seller is not aware of any


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reason that would prevent any pending trademark, service mark, copyright, patent
or  other  intellectual  property  applications  required  for  the  use  of the
Intellectual Property from having registration granted.

         4.09 Disclosure.  No  representation  or warranty by Sellers in, and no
document,  statement,  certificate,  schedule  or  exhibit  to be  furnished  or
delivered to Purchaser  pursuant to, this Agreement contains or will contain any
material  untrue or misleading  statement of fact or omits or will omit any fact
necessary  to make the  statements  contained  herein or therein not  materially
misleading. No press releases or disclosure will be made by either party to this
agreement without the written release from each party to this agreement.


            ARTICLE 5 - REPRESENTATIONS AND WARRANTIES OF PURCHASER

Purchaser hereby represents and warrants to Seller as follows:


         5.01.   Organization   and  Good  Standing.   Purchaser  is  a  general
partnership validly existing and in good standing under the laws of Nevada.


     ARTICLE 6 - SURVIVAL OF REPRESENTATIONS AND WARRANTIES; INDEMNIFICATION

         6.01. Survival of Representations and Warranties of the Parties. Except
as  provided  in Section  6.02 and the tax  obligations  set forth  herein,  all
representations  and  warranties  made by any  party  hereto  contained  in this
Agreement or in any Ancillary Document,  and the indemnification  obligations of
each party hereto with respect to representations and warranties,  shall survive
for a period ending two years  following the Closing Date.  Notwithstanding  the
foregoing,  the  representations and warranties relating to Section 4.03 hereof,
and  the  indemnity   obligations  with  respect  to  such  representations  and
warranties,  shall  remain  operative  and in full  force and  effect  until the
expiration of the applicable statute of limitations.

6.02.  Indemnification  by Purchaser.  Purchaser  hereby agrees to indemnify and
hold  Seller  harmless  from  and  against  any  damages,  losses,  liabilities,
deficiencies,  costs  and/or  expenses  (including  all  reasonable  legal fees,
expenses and other  out-of-pocket  costs)  (collectively,  "Damages")  resulting
from,  arising out of or in connection with or related to the transactions under
this  Agreement  whether  or not any such  Damages  are in  connection  with any
action,  suit,  proceeding,  demand  or  judgment  of a third  party  (including
Governmental Entities).

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                      ARTICLE 7 - CONDITIONS TO THE CLOSING

7.01.  Condition to  Obligations of Purchaser.  The  obligations of Purchaser to
close the  transactions  contemplated  hereby are subject to the satisfaction of
the following  condition:  The representations and warranties made by Sellers in
Section 4 hereof  shall be true and  correct  when  made,  and shall be true and
correct in all  material  respects on the  Closing  Date with the same force and
effect as if they had been made on and as of said date.

                            ARTICLE 8 - THE CLOSING

         At the Closing,  the parties shall deliver the following  documents and
instruments and take the following actions:

         8.01.  Closing . Seller shall  deliver  certificates  representing  the
Shares.


                       ARTICLE 9 - ADDITIONAL AGREEMENTS

         9.01.  Agreements as to Tax Matters. The parties to this Agreement will
cooperate fully with each other, in connection with the preparation, signing and
filing of tax returns and in any  administrative,  judicial or other  proceeding
involving taxes relating to the Acquired Assets.

         9.02.  Post-Closing  Documents.  The parties hereto will cooperate with
one another after Closing and, without any further  consideration,  will execute
and deliver  such other  documents  as shall be  reasonably  required  after the
Closing  to  transfer  title to the  Shares to  Purchaser  and to take any other
action necessary to carry out the intent and purposes of this Agreement.

         9.03. Notice. Each party shall notify the others of any claim,  demand,
action, suit or proceeding relating to or arising in connection with, the Shares
as soon as practicable after learning of such claim,  demand,  action,  suit, or
proceeding.


                        ARTICLE 10 - GENERAL PROVISIONS

         10.01. Expenses. Each party shall pay its own expenses (including legal
and  accounting   costs  and  expenses)  in  connection  with  the  negotiation,
preparation and consummation of this Agreement and the Ancillary Documents,  and
the transactions contemplated hereby and thereby.

         10.02.  Governing Law; Waiver of Jury Trial.  All questions  concerning
the  construction,  interpretation  and  validity  of this  Agreement  shall  be
governed by and construed  and enforced in accordance  with the domestic laws of
the State of Nevada  without  giving  effect to any  choice or  conflict  of law
provision  or rule  (whether  in the State of Nevada or any other  jurisdiction)
that would cause the application of the laws of any jurisdiction  other than the
State of Nevada. In furtherance of the foregoing,  the internal law of the State


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of Nevada will control the  interpretation  and  construction of this Agreement,
even if under such jurisdiction's choice of law or conflict of law analysis, the
substantive  law of some other  jurisdiction  would  ordinarily  or  necessarily
apply.

         BECAUSE   DISPUTES   ARISING  IN  CONNECTION  WITH  COMPLEX   FINANCIAL
TRANSACTIONS  ARE MOST QUICKLY AND  ECONOMICALLY  RESOLVED BY AN EXPERIENCED AND
EXPERT  PERSON  AND THE  PARTIES  WISH  APPLICABLE  LAWS TO APPLY  (RATHER  THAN
ARBITRATION  RULES),  THE PARTIES  DESIRE  THAT THEIR  DISPUTES BE RESOLVED BY A
JUDGE APPLYING SUCH APPLICABLE LAWS. THEREFORE,  TO ACHIEVE THE BEST COMBINATION
OF THE BENEFITS OF THE JUDICIAL  SYSTEM AND OF  ARBITRATION,  THE PARTIES HERETO
WAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION,  SUIT OR  PROCEEDING  BROUGHT TO
ENFORCE OR DEFEND ANY RIGHTS OR REMEDIES  UNDER THIS  AGREEMENT OR ANY DOCUMENTS
RELATED HERETO.

         10.03. Submission to Jurisdiction.  Any legal action or proceeding with
respect to this Agreement or the other Ancillary Documents may be brought in the
courts of the State of  Nevada.  Purchaser  hereby  accepts  for  itself  and in
respect of its property, generally and unconditionally,  the jurisdiction of the
aforesaid courts.  Each Seller hereby irrevocably waives, in connection with any
such action or proceeding,  any objection,  including,  without limitation,  any
objection to the venue or based on the grounds of forum non  convenes,  which it
may now or hereafter  have to the bringing of any such action or  proceeding  in
such respective  jurisdictions.  Each Seller hereby irrevocably  consents to the
service  of process of any of the  aforementioned  courts in any such  action or
proceeding by the mailing of copies  thereof by  registered  or certified  mail,
postage prepaid, to it at its address as set forth herein.

         10.04.  Headings.  Article and Section  headings used in this Agreement
are for  convenience  only and shall not affect the meaning or  construction  of
this Agreement.

         10.05 Notices. All notices and other communications  hereunder shall be
in  writing  and  shall be deemed  given if  delivered  personally  or mailed by
certified  mail  (return  receipt  requested)  to the  parties at the  following
address  (or at such other  address  for a party as shall be  specified  by like
notice),  or if  sent by  telecopy  to the  parties  at the  following  telecopy
numbers;


         For Seller:
         9595 Wilshire Blvd, Suite 510
         Beverly Hills, CA 90212
         Fax: 310 275 7095
         Ph:  310 275 9095


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         For Purchaser:
         6330 Nancy Ridge Drive, Ste 108
         San Diego, CA 92121
         Ph:  858 824 1710
         Fax: 858 824 1715

         10.06.  Parties  in  Interest.  All the  terms and  provisions  of this
Agreement  shall be binding upon and inure to the benefit of and be  enforceable
by the successors of Sellers and Purchaser.

         10.07. Final Agreement; Entire Agreement. This Agreement, including any
agreements set forth as an annex to any this  Agreement,  is the final agreement
between the parties and  constitutes  the entire  agreement  between the parties
hereto and supersedes all prior agreements and understandings,  both written and
oral, whether signed or unsigned, with respect to the subject matter hereof.

         10.08.  Counterparts.  This  Agreement  may be  executed in two or more
counterparts,  each of which shall be considered  an original,  but all of which
together shall constitute the same instrument.

         10.09.  Amendment.  This Agreement may be amended only by an instrument
in writing signed by or on behalf of each of the parties hereto.

10.10.  Preparation  of Agreement.  Purchaser  prepared  this  Agreement and the
Ancillary  Agreements  solely  on its  behalf.  Each  party  to  this  Agreement
acknowledges that: (i) the party had the advice of, or sufficient opportunity to
obtain the advice of, legal counsel  separate and  independent  of legal counsel
for any other party hereto;  (ii) the terms of the transactions  contemplated by
this Agreement are fair and  reasonable to such party;  and (iii) such party has
voluntarily entered into the transactions contemplated by this Agreement without
duress or coercion.


         IN WITNESS WHEREOF,  the parties have duly executed this Stock Purchase
Agreement as of the date first written above.
LIQUID STONE PARTNER

By: /s/ William D Courtney
    -------------------------------
Name:  William D Courtney
Title: Managing Partner



NATIONAL HEALTHCARE TECHNOLOGY INC


By: /s/
    -------------------------------
Name: Title:  President


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