Ages 8+. Bonus spark cartridge included. Some assembly required. Product decoration may vary. Max rider weight: 143 lb (65 kg). Specifications subject to change. Light up your ride with real sparks! Step on the Spark Bar and watch the sparks fly! Bonus spark cartridge included! Real sparking action. Artists rendering does not depict average sparking action. Quick release lever. Adjustable handlebar height. 98 mm wheels with ABEC-5 bearings. Handlebars. Patented folding system. Patented rear fender brake. Spark bar. Replaceable spark cartridge. Made in China.