Auto Retractable Canopy/free energy/energy from gravity/STEM education examples

[@kluwiful]

Whoa! That’s some mad skills there!

[@christineho4977]

Thanks for this great idea. This is perfect for my situation.

[@sukicheah1984]

Excellent idea, save a lot of trouble as well 👍🏻👍🏻

[@pingpongdot.lookseasy.will6023]

UV light without getting wet.
This is worth an idea and a half

[@hoaitee1531]

Wow! Brilliant

[@aieanho2880]

So innovative

[@elienechean8773]

👏👏👏👏👏 "clapping"