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Disguise your voice with this 5" Voice Changer. This voice changer features flashing LED lights and 3 voice effects: boy, girl, and robot. You'll f...

4M Salt Water Powered Robot Kit Challenge your child's imagination with the 4M Salt Water Powered Robot Kit. Perfect for any young scientist, this ...

Excavate, study, and display your own beautiful crystals Children and adults alike can explore the wonders of geology with the 4M Crystal Mining Ki...