The LEGO NINJAGO Kai's Motorcycle Speed Race (71838) set puts builders 6 years old and up in the driver's seat for Kai's most thrilling chase yet! Fans of the hit TV show will love staging epic good-versus-evil chases from the world of NINJAGO Dragons Rising Season 3. Builders can command the Kai minifigure in his flame-powered race bike, complete with dual golden daggers, as he faces off against the Spectral Dragonian Scout minifigure and his ghostly demon bike. Kai's translucent reveal blade and twin golden katana swords help protect him as the rival riders tear through imaginary landscapes, wheels spinning and accessories gleaming. Perfect for solo adventures or building with friends, this building set makes an ideal birthday or holiday gift for NINJAGO fans and kids who love building challenges. Combines with other sets in the LEGO NINJAGO collection (each set sold separately) for expanded play possibilities. The LEGO Builder app guides young builders through intuitive step-by-step instructions with helpful 3D viewing tools. Contains 79 pieces.