Two white plastic discs that rotate freely, each with two semicircular arms which again rotate freely.
More pictures:
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I know the answer but used Google Lens to find it… I don’t know if this is against the spirit of the place, as there’s no rules?
spoiler
It’s a pom pom maker
![CHALLENGE: What is this thing? [SOLVED]](https://lemmy.world/pictrs/image/20e50299-8841-4cc2-b61d-5c6410f46823.jpeg){kind=link}
