Inventions by ScienceWiz™
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Step-by-step 3D dimensions and the use of everyday materials brings clarity to how things work. Make: A spinning motor A clicking telegraph A light flashing generator A real radio Winner of the Scientific American's Young Reader's Book Award and the National Parenting Magazine Award: Gold Ages: 8 + Manufacturer: ScienceWiz™ Only $19.98 - Click here to buy now! |