Thames and Kosmos Happy Atoms Introductory Set (17 Atoms)Thames and Kosmos Happy Atoms Introductory Set (17 Atoms) Where Science Meets Fun! Get ready to bond with chemistry like never before! This hands on and digital learning experience makes discovering molecules as easy as snapping pieces togetherliterally! 17 atom models representing 6 elements: Build real molecular structures with hydrogen, carbon, nitrogen, oxygen, sodium, and chlorine with up to 73 different experiments. Magnetic connections for easy