Razor FlashRider 360 Caster Trike Plastic, Steel, Rubber Imported Based on Razor's award-winning caster tricycle, this zippy version turns and drifts on dual inclined caster wheels, with an exciting Spark Bar feature Welded steel frame and fork, dual inclined casters for drifting and spinning action, and high-impact front wheel with flat-free tire MX-style handlebars with rubber grips, three-piece crank, double crown fork design, and spark Bar with replaceable Spark cartridge Replaceable Spark cartridges also sold separately; recommended for users age six and up; some assembly required Measures 24.5 by 25.75 by 40 inches (W x H x D) with 17.5-pound weight and 160-pound maximum rider weight