TLDR:A two-century old law of magnetism makes the Flux Original Scientific Toy endlessly fascinating.

Any number of silly knickknacks and tchotchkes line most peoples desks.

Meanwhile, simple toys really are the best.

Control the laws of magnetism with the Flux Original Scientific Toy, on sale for $47 off

Taking all of that into consideration, theFlux Original Scientific Toy and Magnet Shield Bundle ($101.

To look at it, the Flux couldnt seem simpler.

The toy centers around a marble-sized magnetic ball.

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The Economist said that watching this defiance of the laws of nature isundeniably mesmeric.

Even with no batteries and no electronics, its hard to argue that point after some play too.

Or just use it as an energy-dissipating fidget gadget.

The set also comes with a wooden magnet shield to protect against the safety concerns about power magnets.

That lowers the final price tojust $101.99.