Here is another cool physics toy that gives the illusion of perpetual motion. Andrews Manufacturing’s Space Wheel goes back and forth without your help thanks to an electromotor inside the base.
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Andrews Space Wheel Physics Toy ⚙️ Gadgetify
Andrews Space Wheel Physics Toy -- Gadgetify
The Space Wheel (patent #: 3783550) was first sold in the mid 70s. It is available with a black base too. More info is available here.
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