This clever snap-together rainbow maker catches sunlight and projects tiny rainbows into your room like a disco ball. The included book is chockfull of information about how rainbows form: the science of sunlight, prisms, and the very special weather conditions under which rainbows might appear. Activities and experiments include different ways you can mimic rainbow effects, including rainbow slime, a rainbow volcano, a rainbow bubble snake, and much, much more. Comes with: 3 clear crystals. 3 silver rings, 2 suction cups, 3 holographic plastic pieces, motor with wires, battery box with alligator clips, plastic gear box.​​​​​​​