Let's Make Robots!

Quiz: guess what "this" is...

No prize beyond eternal glory. Guess what "this" is. (Newbies, my squares are 5x5 mm.)

tr_composite500.png

Bonus points for pictures that might have inspired "this". Even more points for sketches of possible applications for "this".

Rik

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Those are tracks like Frits used in the YDM!