Trotter
A palm-size wind-up walker. Twist the knob at the back to wind it up, set it down, and it trots forward on four legs with a smooth, life-like gait - no batteries, no motors. The rubber band inside drives two crankshafts that swing the legs in turn, so it keeps its balance step after step. Every part is 3D printed.
$16.99
Free shipping Sep 25
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