A Rube Goldberg machine setup with a toy car, dominoes, balls, and water dripping into a plant.

Imagine a Rube Goldberg machine designed to water a small plant.You begin by releasing a toy car down a ramp. The car travels down the ramp and hits a stack of dominoes. dominoes fall in a line, eventually knocking over a small, lightweight container (like a plastic cup) holding the ping pong ball. The ping pong ball rolls off a slightly elevated platform. Because the ball is so light, it can't directly trigger anything heavy. Instead, it rolls down a small, angled paper ramp. At the end of See more