I chose to use pegboard for the clock face because it already has accurately ... of the LEDs for the display (46 in my case) and ping-pong balls for the grid (105 in total).

Cut open a ping pong ball halfway. The cut should resemble a mouth. Guess what you have to do next? Draw a face. You can get super fancy with this, or you can just use a marker to draw eyes ...

[Jacob] has put a slightly new twist on the levitating ball trick with his ping-pong ball levitation machine. We’ve all seen magnetic levitation systems before. Here on Hackaday, [Caleb] built ...

Steve Harvey interpreted two Family Feud contestants' answers as suggestive and warned one of them they needed to "stop it." ...

An curved arrow pointing right. The ITTF (International Table Tennis Federation) has released a video showing the manufacturing of ping pong balls and it's incredibly satisfying to watch.