Students can demonstrate univalent and multiple bonds by linking the atoms in this Organic Structure Model set represented by colored plastic balls. In addition, with the included springs as links, they can recreate flexible bonds and ring compounds. Comes with instructions, ten 2” long springs, and 54 colored plastic balls: 10 black (carbon); 2
blue (nitrogen, 1 ¼” dia.); 28 yellow (hydrogen); 6 red (oxygen); 4 green (chlorine); 2 orange (bromine); 2 purple (iodine, 1 1/8” dia.); and thirty 1 ½” long pegs. Wooden Box. Ages 13+