Half a croissant, on a plate, with a sign in front of it saying '50c'
h a l f b a k e r y
Almost as great as sliced bread.

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Relax-O-Tron

 Desktop sculpture made of two rollers on a curvy track connected by a spring.
 
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See link. I'd absolutely buy one of these.

Might make a little noise as it rolled and the linear motor pushed it along so it'd be enclosed in a lucite case.

—doctorremulac3, Jan 17 2023

This on your desk. https://www.myphysi...ller-double-en.html
Might put a clock in the middle to give it some utility. [doctorremulac3, Jan 17 2023]





       The link has some other configurations too. I'm wondering of some of them can simply be rotated to impart the sequences of movement.   

       This'd be a fun weekend project.
—doctorremulac3, Jan 18 2023
   
         


 

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