The picture on the product page is deceptive. I thought the spinners were boring flat colored plastic but instead I got spinners with patterns on them. I ordered four 3D printed spinners (using the 5th extra bearing that comes with each one to get an extra spinner) and received one with a blue camouflage pattern and the other with a purple galaxy pattern. The other two were more of a psychedelic rainbow pattern. For $6 alone they're not that bad if you just want a cheap spinner. Note, however, that some bearings cannot be pressed into the spinner without effort. I would use something cylindrical, very hard, with a flat bottom to press them against a hard surface.
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