title:

Simple 9v Battery Foam Boat Mini Gear

網站連結：https://www.youtube.com/watch?v=qhKUwi0ZnUc

連至：https://www.youtube.com/watch?v=qhKUwi0ZnUc

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Hello everyone! Today I want to share you how to make a simple boat at home. It's very easy and simple. I build it with foam, 9v battery, and DC motor. Let's...