Pack of 10, Red Atoms 2 holes to build upon Extra component parts for use with Molecular Model kits Each atom measures 2.2cm (0.9") in diameter Atom holes measure approximately 0.5cm (0.2") in diameter

Set of ten, red molecular atoms with 2 holes. Each atom measures 2.2cm (0.9") in diameter. Holes measure approximately 0.5cm (0.2") in diameter. For use as spare or extra parts in molecular model kits.