Construct a solar-electric boat and five additional models using an innovative motor module that can be powered by a solar cell or batteries. Build a solar catamaran driven by a fanboat-like propeller, a windmill, airplane model, spaceship model, fan, and rocket model.
Construct a solar-electric boat and five additional models using an innovative motor module that can be powered by a solar cell or batteries. Build a solar catamaran driven by a fanboat-like propeller, a windmill, airplane m...
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