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Availability date: 0000-00-00
The concept is provided with a large solar cell , all of the parts can be installed on a bottle that is reused as qu'habitacle . We advocate the square shapes are easier to fix the solar cell. PIECES : 0.5 v 1moteur présoudé electrical son , two wooden wheels , gear - engranage , 2 brass rods for wheels , one cell ( large) 1 v 750 mA. SIZE: depend on the size of the bottle