Flywheel-powered toy motorcycle-Ramp up kids play with this LEGO City Cyber Stunt Bike for real stunt action All kids need to build a flywheel-powered stunt motorcycle, plus a LEGO City Stuntz rider minifigure Kids push the bike to activate the flywheel, then release it to perform fun jumps and stunts Fun for kids Ages 5+, Give this LEGO City Stuntz playset as a birthday, holiday or any-other-day treat