Rubik's Pulse Cube The Pulse Cube is the ultimate thrilling puzzle experience: rush to beat the glowing cube, because after just 60 seconds you'll be in the dark. First, shuffle the cube, then press the button with the logo to turn on the brilliant light inside and reveal the colors. Work quickly on the solution as time passes and the pulsating light intensifies until it goes out. Press the logo as often as needed to add time to the clock, or hold down the button to reset the clock for a new round once the cube is solved. Take on this very difficult challenge time and time again to improve your time and solve the cube in 60 seconds or less. Suitable for children aged 8 and up.