The first commercially successful action figure line was based on the TV series *Star Wars*, launching in 1978 and sparking a massive toy craze. elaborate
The term "stuffed animal" wasn't commonly used until the mid-20th century; earlier, they were often called "soft toys." elaborate
The first commercially successful ride-on toy, the Radio Flyer wagon, was invented in 1917. elaborate
The first LEGO bricks were made of wood. elaborate
The first commercially successful swing set was patented in the 1920s. elaborate