Build a rainbow maker that attaches to the window and castsrainbows around your room on a sunny day!With the materials included, build a triple-crystal, motorisedrainbow maker that hangs to your window.You'll learn all aboutthe best weather conditions to find and record rainbows in thewild.This fun STEM kit lets you have fun while learning aboutthe subjects you may encounter in school: reflection/refraction,light and prisms.