Product Description 1″ Tail Wheel Ball Overview: This molded polyethylene 1″ Tail Wheel Ball is included in all Parallax small robot kits that use our silver aluminum Small Robot Chassis, including the Propeller ActivityBot robot, BASIC Stamp Boe-Bot robot, Robotics Shield Kit (for Arduino) and our cyber:bot robot with micro:bit. We offer it here as a replacement part, or for your own custom-designed robotics project. The tail-wheel ball attaches to the Small Robot Chassis with a Cotter Pin “axle.” It is offered here as a replacement part. Compatible robot kits: cyber:bot robot kit with micro:bit Propeller ActivityBot (original or 360°) BASIC Stamp Boe-Bot (all versions) Shield-Bot robots with Arduino
