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How does a Pull-Back Toy Car work?The retro-friction toy car is an incredible piece of engineering! It's sometimes called a “wind-up” toy car. This video covers the specifics of the mechanism: the motor frame, the 5 gears and ...
This reduces friction so they can go faster. Here are two identical toy cars. Both ramps are the same height, but have different surfaces – smooth plastic, bumpy fabric. Which car do you think ...
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