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A Rocket Powered Fidget Spinner
Kevin Kohler (a.k.a. “The Backyard Scientist“) built a custom fidget spinner out of an 1/4” aluminum plate with 3 E sized rocket engines strapped to it
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Epic DIY Fire Tornadoes In Different Colors
The Backyard Scientist did some amazing science in his backyard recently. Some pretty cool fire tornadoes in many different colors and easy to make as it seems when you are equipped right on supply
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