Build a Geckobot model that walks vertically up smooth surfaces like windows, glass, and mirrors. Build 6 robotic models, in addition to the Geckobot; 7 different models in all. Difficulty Level: Advanced This astonishing wall-climbing robot has a motorized air suction system that enables it to walk vertically up and down perfectly smooth surfaces, like glass, plastic, whiteboards, and glossy laminates.
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