The wind howled through trees and the rain pelted the Kauai War Memorial Convention Hall parking lot where attendees to the Kauai Regional Science and Engineering Fair on Saturday jockeyed their cars ...
Learn how to build your own simple DIY air pump using a plastic syringe, a small DC motor, and basic materials you may already have at home. This easy-to-follow tutorial walks you through each step, ...
How to make mini bike from coca cola can with dc motor - mini diy science project #diy #miniproject #science ...
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