The mBot Ranger Robot Kit is a three-in-one STEM educational robot kit which supports 3 building forms: robot tank, three-wheel racing car, and a self-balance car. Program & Control mBot Ranger via iPad, tablets, or laptop to start your exploration! Ranger is equipped with a powerful Arduino based mainboard and comes with six types of sensors: Light sensor, Ultrasonic sensor, Line follower, Gyroscope, Temp sensor, Sound sensors. Equipped with 10 extension interfaces for connecting 40+ types of electronic modules (12 included in the kit), and compatible with the Makeblock platform and LEGO® blocks, mBot Ranger will bring you limitless fun Off-Road Land Raider Being an off-road robot tank, Land Raider is designed to handle a wider variety of terrain than most other vehicles or robot cars. Dashing Raptor, the Predator Transform your Land Raider easily, turning it into Dashing Raptor, which is a three-wheel racing car that runs/spins fast like a raptor which eager to catch its game. Self-Balance Nervous Bird A smart self-balance car which remains level when driving straight or standing still and leans at an angle when making turns.