Erector Set
Toy robot kits are also supplied by several companies. They are mostly made of plastics elements like Lego Mindstorms, rero Reconfigurable Robot kit, the Robotis Bioloid, Robobuilder, the ROBO-BOX-3.0 (produced by Inex), and the lesser-known KAI Robot (produced by Kaimax), or aluminium elements like Lynxmotion's Servo Erector Set and the qfix kit. Some robots, such as Ebdot, come ready-assembled.