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 solitary pattern! Each one of the 64 LEDs will produce over one thousand colors of brilliant light for a hypnotizing LED light show that you will never forget, unless of course you're hypnotized! The LED Light Show Cube is one of those mesmerizing and calming light shows that helps place you in a tranquil condition of mind. Whether you had a hard day at work, or just in the mood to relax into a tranquil condition of zen, within minutes your body will fall into a pleasant condition of being. If it's action you want, just change your music to something a bit more upbeat and instantly you will awaken with the LED cube designs filling your mind and body with the energy you need to get heading !