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 ...

We’d like to draw particular attention to one of his ... but his assembly technique is worth keeping in mind. The diameter of ping pong balls is a mismatch for the spacing of LEDs on a strip.

We’d like to draw particular attention to one of his ... but his assembly technique is worth keeping in mind. The diameter of ping pong balls is a mismatch for the spacing of LEDs on a strip.