MotorBlox: Robot Lab. Build and test three different walking robots—a Biped Bot, a QuadraBot, and a HexaBot— using the accessories in the kit, then add your own Lego® bricks to create custom motorized robots. Robot Lab helps young engineers develop problem-solving and experimentation skills while teaching them about robotics and mechanical locomotion. Components: power core, 2 leg assemblies, reversible helmet, robot head and neck, 2 robot hand grips, 2 robot feet, 6 robot arms (4 straight arms, 2 bent arms), bi-fold pamphlet. STEM Focus: Engineering.