Showing 352–390 of 453 results

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  Peaucellier

  $2.80
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  Stickman

  $3.50
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  Bi-directional Ratchet

  $3.50
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  Early Bird

  $3.50
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  Hot Tin Roof

  $3.50
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  Flag

  $3.50
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  Which Came First?

  $2.79
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  Egg

  $0.00
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  Archimedes Screw

  $3.50
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  Dragonfly

  $3.50
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  Wag the Dog

  $3.50
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  Mouse Hug

  $0.00
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  Heart Flower

  $3.50
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  Resistor Colour Wheel

  $0.00
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  Butterfly

  $3.50
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  Pendulum Sheep

  $3.50
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  Octopus

  $3.50
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  Honey Comb

  $2.80
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  Double Crank

  $3.50
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  Crank Mechanism

  $3.50
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  Moon

  $2.80
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  Paper Globe

  $3.50
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  Ratchet Mk II

  $3.50
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  Ratchet

  $3.50
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  Rack and Pinion

  $3.50
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  Paper Mechanisms

  $11.20
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  Worm Gear

  $3.50
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  Interchangeable Cam

  $3.50
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  Pop Up Robot

  $0.00
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  Paper Butterfly

  $3.50
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  Adjustable Crank Slider

  $3.50
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  Bell Crank

  $3.50
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  Mechanisms Offline

  $13.93
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  Cubug

  $3.50
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  Paper Universal Joint

  $3.50
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  This Much Robot

  $3.50
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  Tortoise

  $3.50
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  Paper Mechanisms Complete

  $27.93
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  Logic Goats

  $11.20