Simply by turning a crank, the ball is shuffled between three cups. It turns out, the crank is powering a motherboard which runs the whole thing. Each ball has a cup and a magnet, and the motherboard chooses a cup each time and releases the magnet to drop the ball. Science equals magic!
Speak Your Mind
Tell us what you're thinking... and oh, if you want a pic to show with your comment, go get a gravatar!