The Razor Jets Adjustable Skates - Boys Size Youth 12 - Adult 12 - Green Features: Easy to put on: "quick click" frame with "hook and loop" strap. Heel-activated sparking action. Includes: spark pads and skid pads. Replacement spark pads sold separately (1 set per blister card). Heavy-duty adjustable polymer frame. Urethane wheels and sealed bearings. Proprietary 50 Millimeter wheels for low center of gravity and ease of riding Fits shoe size US Youth 12 through Adult 12 Ages: 6 and up (8 and up with spark). Max rider weight: 176 Pounds 80 kilo gram. Founded in June 2000, Razor USA, LLC is a privately held company based in Cerritos, Calif. and holds the worldwide rights to the Razor brand. Home of the wildly popular Razor kick scooter, Razor has other scooters like the E100, E200, and E300 (electric scooters). The cutting-edge line of Razor products also includes the Dirt Rocket, Pocket Mod, Pocket Rocket, Ground Force, a line of electric powered ride-on toys and a junior line of scooters. Razor also offers an action video - RVM, featuring Team Razor (pro scooter athletes ages 9 to 20, who tour the world participating in demonstrations and competitions). Razor has numerous awards including Toy Industry Association's Toy of the Year , and Toy of the Year honors from TIME Magazine, Parents, Parenting, Sports Illustrated for Kids, Nick Jr. and U.S. News & World Report. Find Razor products right here at Toys R Us!