Water Gel Expanding Spheres
Tiny hard polymer spheres turn into jelly-like water gel balls within hours.
3 months ago 00:16:12 1
3 months ago 00:01:19 86
4 months ago 00:13:20 1
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4 months ago 00:17:45 67
4 months ago 00:00:49 1
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4 months ago 00:08:49 2
4 months ago 00:04:40 1
5 months ago 00:05:13 1
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5 months ago 00:00:51 1
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5 months ago 00:16:00 1
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5 months ago 00:03:07 1
