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Newtonian Demonstrator or Newton’s Cradle.
A homemade Science project that’s why the balls (in this case, marbles) are not evenly hanged 🙂
Update: This has been re-done because the thread managed to get tangled upon transport and because the marbles didn’t click as expected due to the plastic thing around it. 😀
This is also know as executive ball clicker or balance balls.
Nice one!
That’s a great school project.
Wonderful Science project. Love it!
Love this shot, juls!