This simple project showed my kids how simple machine works - electricity, pulley, velocity ratio and mechanical advantage.

Step 1: Step 1 - Fix the motor

My son has a couple of LEGO sets but none of them are the Technic or those come with a motor. I got one motor from a broken DVD player.

In order to fix it in LEGO blocks, I used some blu tach.

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Bio: Books, photos, projects, DIYs and fun with kids.
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