When the crank is turned, a music box inside plays a melody, most commonly "Pop Goes the Weasel" .
The term dates back to the 1560s, originally referring to a swindler who would swap a full box for an empty one. The first actual toys appeared in the early 18th century and were inducted into the National Toy Hall of Fame in 2005. You can read more about its historical development on Wikipedia . Jack in the Box Restaurant Chain Jack in the box
A is a classic mechanical toy that consists of a box with a crank. When the crank is turned, a music box
At a specific point in the song—often on the word "pop"—the lid springs open, and a figure (usually a clown or jester) leaps out. You can read more about its historical development
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