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The Boyo is an impressive, challenging, fun vertical swing. It is designed as a giant Yo-Yo in reverse where the person does the moving.

Swinging the Boyo helps people improve their physical coordination and motivates them to achieve challenging goals. Interacting with the Boyo creates enjoyable social interactions including fun competitions.

The Boyo demonstrates the law of conservation of the angular momentum.

The Boyo may be installed indoors or outdoors.

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