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5SHEAVES-B39
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
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KITWG
Build a Working Electric Generator and Discover Electromagnetic Induction
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From $22 /unit
MouseTrap car or Rubber Band Car Kit.
Dual-powered STEM kit with mousetrap and rubber band propulsion.
Replacements Sheaves Black, Set Of 5
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
Rubber Stopper, 1 Hole (Full Pack, Any Size)
Flexible sealing solution for laboratory and industrial use.
Wooden Dynamo Generator STEM Kit
Build a Working Electric Generator and Discover Electromagnetic Induction
Wooden Generator Science Kit Assembled (Put Together)
DIY renewable energy source - wooden generator kit.