Ferris Wheel Launched at the 1893 Exposition

Let’s Talk Rusty Iron: The Chicago World’s Fair posed an engineering challenge that gave us the Ferris wheel

The Seesaw Jumping Game
In a 17th century engraving by Adam Olearius, there appears to be a seesaw jumping game of some sort going on in the right front, while several children ride a hand-turned pleasure wheel at the left. 
Engraving by Adam Olearius