I chose to use pegboard for the clock face because it already has accurately ... Now it’s time to make sure everything works. We do need to add ping-pong balls as diffusers before the display ...

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 ...

Wonderball is an interactive ping pong table which adds a digital twist to traditional table tennis. The hi-tech table uses digital projectors and sensors which track the movements of the ball ...