Yo-yo

Toy

A yo-yo (also spelled yoyo) is a toy consisting of an axle connected to two disks, and a string is fastened around the axle, similar to a spool. It is an ancient toy documented since 440 BC. It was also called a bandalore in the 18th century. It is played by holding the free end of the string known as the handle (by inserting one finger—usually the middle or ring finger—into a slip knot), allowing gravity (or the force of a throw and gravity) to spin the yo-yo and unwind the string (similar to how a pullstring works).

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