In the 19th century, Jell-O was made from boiling animal bones and hooves, which provided gelatin. It was often flavored with fruit, but the idea of a wobbly, colorful dessert seemed bizarre to some.
In the 19th century, Jell-O was made by boiling animal bones and hooves to get gelatin. People would often add fruit flavors to make it more appealing, but many thought a wobbly, colorful dessert was pretty strange. Over time, it became more popular and accepted as a fun treat.