Green plastic case with snap lid on front; kit comes with five different types of plastic pieces: 12 multi-colored balls, eight gray "double bonds" pieces, one gray "triple-bonded carbon pairs" rod, and dozens of multi-colored "sp^3" v-shaped pieces; balls snap onto rods attached to the case; v-shaped pieces snap onto two gray plastic rods that snap into grooves on the case; set comes with instruction pamphlet.

Models kits, such as this one, are often found in laboratories and classrooms and are used to visualize the structure of chemical substances.