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 3 replaceable batteries. Turn, Twist & Repeat: Love the challenge of Rubik’s Cubes? Take on the original 3x3 Rubik’s Cube puzzle or build your Rubik’s collection with the 4x4, 5x5, Phantom, Gridlock Game, & more. Must-Have STEM Toy in Every Backpack & Classroom: Add Rubik’s Cube to your back to school supplies shopping list with Cubes that teach STEM learning skills, hand-eye coordination & strategic thinking. Includes: 1 Pulse Cube, Instructions WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years. Covered by the Spin Master Care Commitment. If you have a problem with a Spin Master product that you purchased from an authorized seller, we’ll resolve it! Because Spin Master is unable to control the quality of products sold by unauthorized sellers, unless otherwise prohibited by law, the Care Commitment is not available for products purchased from unauthorized sellers. The Care Commitment is limited to the original end-user purchaser. You may also be required to provide proof of purchase and/or a picture of your product to Spin Master to verify eligibility. Spin Master reserves the right to verify information, require a valid proof of purchase, and to deny request in its discretion