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It's clever and interesting, but I'd say this is more of a curiosity than a fidget. At first the gears are fairly tight, and it's pretty frustrating to rotate -- there's no good place to grab on to it, it pops out of your hand easily. Once it loosens up it's a bit more enjoyable to mash the gears, but the problem is that it keeps on loosening and soon it's too loose. Then the gears get out of alignments, which puts pressure on the other gears and it pops apart. You can put it together a few times, but pretty quickly it's just too loose for the gears to mesh. The 3D printed parts are actually fairly well made, but the failure point is the weak plastic pins used to attach the gears to the base. It lasted just one day.So if you want it to last, definitely don't fidget with it, rotate it carefully and infrequently.

Well it’s cool I like the design for some reason i thought it was supposed to be a lot bigger. Well at least it looked bigger in the picture. It definitely will keep your attention but the parts seem a little too loose. At first a piece had fell out but all you had to do is pop it back into place and it you were good so overall not bad just another fidget toy to add to my collection lol