Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Aladine Chevilries Themed Rubber Stamps , Set of 15 Plus 1 Ink Pad
Product description: Knights Kit, Stamp kits from Aladine make all of your stamping projects easy and fun, with a wonderful European flair! Our Chevilries Set includes 15 wood handled stamps that feature all kinds of stamps to commemorate the special Knights of the Roundtable event or just for fun for your little stamper. Some stamps included are knights, castles and dragons, just let your imagination take over. The kit also includes a stamp pad, so you are ready to get going on your project!
Product feature: Our stamps are especially dedicated to the creativity and imaginations of children 6 and older, Set includes 15 Rubber Stamps and 1 1" X 1" black stamp pad, Our ink pads are washable and non-toxic, All Sets come in a transparent, plastic container which is perfect for storage
Product price: $14.86
Product brand: Aladine
Target attributes: Kit Type
Answer: attribute: kit type
value: stamps , set
source: product title
attribute: kit type
value: stamping
source: product description