Solve Before It’s Lights Out: Pulse Cube starts with a fully reflective surface, but it’s hiding a colorful secret – discover the power of Pulse & race to solve or before you get stuck in the dark. Light-Up Puzzle Cube: Scramble the Cube before pressing the logo to activate the lights. Colors appear & pulse for one minute before the lights go out. Need more time? Press again to add more time. Speed Cube Training: Take on an advanced-level challenge & beat your personal best as you race to solve this Cube built for speedy solvers in 60 seconds or less. Includes: 1 Pulse Cube, Instructions, new in original packaging.