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Recommended for ages 8 years and older with the help from an adult, and 12 years and older on their own Build your own futuristic robotic arm -controlled by a pair of joysticks that pull and release a network of nylon cables that enable intuitive and precise movements, much like the tendons and muscles in your arm Joysticks are used to open, close, and rotate the claw 180 degrees. Bonus: Switch out the gripper claw with a model of an eel's head to transform your robotic arm into a slithery bionic eel Learn about biomimicry-the study of how models, systems, and elements found in nature are incorporated into everyday engineering Includes 297 pieces, 2 experiments, and a full-color instruction manual