Mechanical toy:Dancing Baby

The "Dancing Baby," also known at the "Ooogachaka Baby" or "Baby Cha-Cha," was the star of a popular early internet video in the late 1990s. The video features a baby only wearing a diaper and dancing to the song "Hooked on a Feeling." Known as one of the internet's first viral videos, the Dancing Baby went on to be featured in advertisements and products.