I'm so fast that last night I turned off the light switch in my hotel room and was in bed before the room was dark.

http://shopandbargain.com/electronics/cool/led-light-show-display-cube-light-it-up/
I'm so fast that last night I turned off the light switch in my hotel room and was in bed before the room was dark.
It's a geeky Hi-Tech LED Light Show Cube !
A mesmerizing light display using 64 RGB LEDs. The show runs for over 30 minutes without repeating a single pattern! Each one of the 64 LEDs will produce over 1000 colors of brilliant light for a hypnotizing LED light show that you'll never forget, unless of course you're hypnotized! The LED Light Show Cube is one of those mesmerizing and calming light shows that helps put you in a tranquil state of mind. Whether you had a hard day at work, or just in the mood to relax into a tranquil state of zen, within minutes your body will fall into a pleasant state of being. If it's action you want, just change your music to something a bit more upbeat and instantly you'll awaken with the LED cube patterns filling your mind and body with the energy you need to get going !