Spectacular LEGO® NINJAGO® Mech and Bike Playset Kai's Mech-Bike EVO (71783) is a playset that lets builders aged 7 and up and fans of cool speedsters engage in their own thrilling duels between good and evil. The set includes a posable mech and a cool bike. By upgrading with gold side panels and a large golden blade, you can turn the motorcycle into an even larger model. Duels between good and evil This building set includes 4 minifigures: Kai and Nya carry swords, the Skeleton King wields his own sword and the Skeleton Hunter has a bone hoe and a sword. If your child completes the challenge, they'll be rewarded with the Banner of Concentration, which can be attached to the ninja bike. Cool digital building experience for LEGO builders The LEGO Builder app accompanies you and your child on an easy and easy...