Kikkerland Solar Powered RainbowMaker with Crystal - RM1588 Kikkerland's popular collection of magical RainbowMaker designed by David Dear are beloved by all ages. Our suction cup RainbowMaker will stick to your window and work itâ s rainbow magic. The cleverly designed solar panel will rotate the genuine Crystal and refract light in all directions. Collect them all. Our RainbowMaker all have clear housings that allow you to watch the inner working gears rotate in perfect synchronicity by the power of the sun; they have to be seen to be believed.