Hey guys, welcome to my channel. Today's video, I will show you how to make a rolling ball rolling machine to relieve stress.
We need to have:
1 Motor deceleration: https://bitlylink.com/qUews
Box of mica, plastic or wooden 22x19x4cm
Tools: cutting alkali, soldering iron, soldering tin ...
Hope you support me to be motivated to make the next video!
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