So you want to get started with Arduino and robotics? The RobotGeek Snapper Arduino Robotic Arm has you covered. It is a modular kit powered by an open source Arduino controller. You can add parts, sensors, and components to use this product for more advanced projects.
The Snapper Robotic Arm is controlled using a Geekduino board. The Gripper has adjustable angle finger tips. The 4 high-torque servos allow the arm to pick up to 50-gram objects. Like what you see? You can get yours for under $200.