I'd give laser pointers to Neanderthals. Even if they did figure out some useful application for them (maybe hunting?) they'd run out of batteries eventually.

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[โ€“] 11 points 1 year ago* (last edited 1 year ago)

One of those 3D printed non-round gear toys. They could immediately appreciate both the impressive technology that went into designing and manufacturing it, and that it has no use whatsoever. Which would be a trip.

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