Beads of silver and gold are all set onto their own string, each one crisscrossing like a wild, mathematical web between the two sides of the spool.

Grab the knobs on either side and give the whole thing a slow and steady spin as it sits atop the included stand – Eyes instantly widen with amazement!

Powered entirely by centrifugal force, the beads slide continuously from one end of the spool to the other and back, creating the mesmerizing illusion of arches "pouring" through mid-air.

Witness the magic of math and physics in action!

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