How much does this cost to the nearest dollar?

Molecular Models White Plastic Hydrogen Monovalent Atom Center, 17mm Diameter (Pack of 100)
Package of 100 white hydrogen atom centers to further personalize your molecular model set or kit. Use with your set to demonstrate covalent bonding with other atom centers. All atom centers are brilliantly finished in accordance with internationally excepted colors. This atom center is 17 mm in diameter and molded out of durable high gloss plastic. All parts are interchangeable with Molymod brand molecular models. Hydrogen atom centers to further personalize your molecular model set or kit Use with your set to demonstrate covalent bonding with other atom centers All atom centers are brilliantly finished in accordance with internationally excepted colors Molded out of durable high gloss plastic Atom center is 17mm in diameter Brand Molecular Models Company

Price is $22.00
Price: $21.76