Demonstration of 3 basic mechanics of Lego technic, such as a walker (or stepper), wheel and track mechanisms in a pool with Orbeez balls.
Orbeez (or hydrogel) a type of polymer made to absorb and hold water. It's also called water beads. They are soft and slippery, a difficult surface for any mechanism to move.

Music:
"John Tasoulas Odyssey" is under a Creative Commons (CCBY 3.0) license
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