Molecular models are NOT toys and should be kept away from young children. These sets and kits are intended for educational use only.For studying the structures of organic chemical compounds through 3-D representation of molecules. Atoms are represented by colored wooden balls. Coil springs, 1/8" in diameter, represent multiple and cyclic valence bonds. Approximate atom center diameters, 20 mm. Set contains 30 carbon (black), 30 hydrogen (white), 12 oxygen (red), 18 halogen (green), 5 nitrogen (orange), and 5 sulfur (yellow). Replacement Coil Springs are available.

/!\ WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.