Toy Physics--Ramp Walker .Homemade Science with Bruce Yeany

Toy Physics--Ramp Walker .Homemade Science with Bruce Yeany
  Bruce Yeany
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Ramp walkers are cool toys that "walk" down ramps or in some case are pulled along a flat table by a weight on a string hanging over the edge of a table. Ramp walkers can have 1,2, or 4 moving legs and in some cases have additional moving parts. These

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Homemade  


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