Meet the Kinetic Board by Otagiri: a hyberbolic toy with a straight rod that goes through symmetrical holes as it moves on the base. It runs on a single battery. You can remove the board from the base to operate it manually.
You may also want to see:
Kinetic Board by Otagiri Hyperbolic Toy -- Gadgetify
This is a pretty rare toy but smaller DIY versions of it are available online.
[HT]
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