Here is a neat little gadget that casts rainbows around your room. The Kikkerland Solar-Powered Rainbow Maker has a Swarovski crystal. The simple motor turns the crystal to refract light in all directions. This kit comes with a suction cup and wire hanger.
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This rainbow maker measures 6 by 1 by 2 inches. It has a clear housing, so you can see the gears rotate.
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