The Razor Scooter is a compact folding scooter developed by Micro Mobility Systems and manufactured by JD Corporation. Over 5 million units were sold in the six months following the launch of the first Razor scooter in 2000, and it was named as Toy of the Year that same year. The first electric Razor scooter was released in 2003. Today, the Razor is manufactured by RazorUSA, based in Cerritos, California, in the United States. Design The basic scooter design consists of an airplane grade aluminum frame, 98 mm polyurethane wheels, and a hinged fender over the rear wheel, which is pushed down by the foot to act as a spoon brake. The handlebar and headtube fold for carriage when a quick release latch is opened. Models A - 98mm wheels S - "A" with fixed-height handle bars (no height adjustment) AW - "A" with a wheelie bar Spark - "A" with a spark bar for real spark action from the rear brake A2 - "A" with a front suspension and a wheelie bar A3 - extended A2, early versions have 98mm wheels and later ones have 125mm wheels AW125 - extended A3 with 125mm wheels, upgrade to the early versions of the A3 A5 Lux - 200mm wheels Non-Pro Model - the non-stunt model Ultra Pro - for stunts, not foldable Cruiser - 140mm wheels Malibu Cruiser - cruiser but with 125mm wheels and a metal deck Finger Crusher - lightweight design, Dan Green Pro Model Electric scooters In 2003, RazorUSA introduced its first electric Razor scooter. It operates with the use of a twisting throttle. These new models reach speeds up to 15 miles per hour. Electric scooters became a popular way to travel slightly longer distances than one might with a traditional Razor scooter, yet distances short enough that using a bike would be excessive. Freestyle riding Freestyle scootering is a growing sport. Due to the rough demands of trick riding, people often reinforce the scooter to withstand impacts and high force. Safety Razor scooters have received attention for the frequency of injuries sustained by riders. In 2014, The Atlantic and other news outlets reported that Razor and other brands of scooters contributed to substantial increases in yearly numbers of emergency room visits. Razor claims their scooters are safe to ride, and recommends adult supervision and the use of protective gear when riding. To increase the safety of