Educational Robot Gripper Design

I’m developing a small-scale robotics education kit and need a compact, reliable gripper (claw) that can repeatedly pick and place lightweight objects such as ping-pong balls, foam cubes, or plastic parts... (Budget: ₹600 - ₹1500 INR, Jobs: 3D CAD, 3D Modelling, CAD/CAM, Manufacturing Design, Mechanical Design, Prototyping, Robotics, Solidworks)