Ever wonder how to get one of these light up cups to actually light up? Follow this tutorial and you'll be fine!
Step 1: Open Up the Bottom Cap
See that cap on the bottom? Just take it off.
Step 2: The White Button
If you look hard enough, you'll see a white button. Push it and the cup will light up in many different colors!
Step 3: The Other Button
See that other black button? That can turn a projected image on or off. Pushing it down will turn it off. You have to push the white button to see the projected image.