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Build a series of wacky, motorized robots with this introductory mechanical engineering kit for kids ages five and up. A beautifully illustrated 32...

A dino-mite robot building kit! Build this T-Rex robot and watch it come alive and march across the floor with its roaring jaws, blinking eyes and ...

Discover the cool science this out-of-the-ordinary robot uses to move in funny and bizarre ways! There's no telling what adventures you and your r...

Build a mesmerizing, decorative lamp that changes colors and mimics the undulating movements of a jellyfish in the water. Lock different compo...

Learn the science and mechanics of how barrier gates work, and you can use it to keep pesky intruders out of your room! It also includes a “smart k...

Spider Robot scuttles up and down its string, like a real spider on silk thread. Scary! It cleverly changes direction at the top and bottom.