Ask HN: Fun nerdy/science gadgets to have on your desk?

1 pointtobias2168931 comment

I'm a big fan of things like tungsten cubes, spinning tops, MetMo cube and weird contraptions like this "magnetic floating desk toy" (https://www.amazon.de/-/en/zhuolong-Magnetic-Floating-Desk-Toy/dp/B08QFKJSDT)... what else should I get?

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