Build it : build rockets and racers and test energy forces!
With more than 80 fun experiments, this is the ultimate lab book for kids who want to build cool stuff! This fact- and fun-filled book includes tons of simple, kid-tested science experiments, many of which can be done with items from around the house, and require little-to-no supervision! That's right-no adult help needed. That means no grownups doing all the fun stuff while you watch. You can do lots of messy, cool, mind-blowing experiments all...
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