Let the LEGO Builder app guide you and your child on an easy and intuitive building adventure. Zoom in and rotate models in 3D, save sets and track your progress.   Kids can stage exciting race action with Kai's Ninja Race Car EVO (71780) playset This ninja toy features a Kai minifigure, armed with 2 golden katana weapons, who can be placed inside the cockpit to drive the ninja car Kids can upgrade this model from an off-road vehicle into a street racer car by swapping its 4 wheels This 94-piece durable playset lets imaginative kids aged 6+ build as they stage adventures on their own or with friends The LEGO® Builder app guides your youngster on an intuitive building adventure. They can save sets, track progress and zoom in and rotate models in 3D while they build   This car toy measures over 2 in. (5 cm) high, 5.5 in. (14 cm) long and 4 in. (10 cm) wide