GearSphere Steampunk Whirling Wonder Fidget Gear Ball, 3D Printed Mechanical Stress Relief Gadget for Adults and Teens, ADHD Anxiety Focus Spinner Desk Toy Decor
$20.99
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Perpetual Motion Machine, Kinetic Art Perpetual Motion Device, Stable Electromagnetic Drive with Lower Sound, Educational Gadget for Teaching, Science Physics Gadget for Office
$123.99