Meet the Lynxmotion AL5D PLTW Robotic Arm: an educational kit with everything you need to learn about robots and controlling them. It comes with a SSC-32U servo controller board and can be controlled using a USB connection from a personal computer.
Designed for schools, this educational robot comes with a FlowArm license. The robot is developed to offer accurate, repeatable movement. It has a flexible, expandable design. More info is available here.