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With no battery or motor required, the Hydraulic Arm Edge is a hydro-mechanical wonder. Assemble the model and then command its six axes of movements using independent levers. A braking system integrated in the lever controllers helps your robo arm execute commands with precision. The gripper opens and closes, the wrist rotates and flexes, the elbow bends, the shoulder raises and the base rotates up to 270 degrees. Remove the robot's gripper hand to activate a suction apparatus that can elevate objects like mobile phones. With a vertical reach of over 16 inches, a horizontal reach of over 12 inches and lifting capacity of 50g, your robotic friend is ready to get to work! Easy to follow instructions with detailed graphic illustrations pave the way for successful model construction, boosting engineering, math, science and technological learning.