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Amazon offers the Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit for $27.43, its best-ever price. Most merchants charge $55. Shipping is free. Buy Now at Amazon
Features
- Builds into a working robotic arm from nearly 300 pieces
- No motors or batteries required, uses joysticks and nylon cables to move
- Buttons open, close, and rotate the arm and claw
