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eulers

Euler’s Spinning Disk $30

I think this cool toy is best described by Amazon customer W.R. Gum: “A simple twist of the heavy chrome-plated disk that you set on top of a concave mirror (furnished) starts it spinning at an increasing rate for at least two minutes. As it spins faster it generates a mysterious tone and changes appearance depending on which holographic magnetic designs you attach and depending on your lighting.”

Laura Cochrane

I’m an editor at MAKE and CRAFT. I like hiking, biking, and etymology.


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