Hand Held Centripetal Force Kit, Kit Includes: Plastic Handle, Rubber Stopper, String, 20 Washers, 2 Paper Clips, Provides The Necessary Tools To Discover Properties Of Rotational Dynamics. A Rubber Stopper Swings Around On The End Of A String Counter Balanced
Maker Kit Large, Perfect for Maker Space, Age: 6+, 800+ rods & connectors in both classic and micro scale that are made in the USA, with Reusable Storage Tub for easy clean and storage, 100 Building Ideas, budding makers use the parts to design and create their own DIY project
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