Simple Robotic Arm
The CheapBot Simple Robotic Arm is designed as a first robotic arm. It's single axis lifts and holds plastic balls places on its end cup. The arm can them lower and release the ball at the desired destination. It's lack of end effector and single servo is what makes it an ideal first robotic arm.
The Simple CheapBot Robotic Arm (s-arm) comes with all the parts needed to make a robotic arm for any robot. The kit costs $13.00 plus $4.00 shipping.
Instructions for making the Simple Robotic Arm
Sample code for using the Simple Robotic Arm