Piece of Junk
Very poor quality, Did not work. Construction is similar to a cheap snap together model. Parts are very small and plastic is left that prevents from working when broken off the runner frame. Instructions are average for cheap foreign products. I assembled it for my son as he is younger. You must assemble the critical power unit which has a tiny electric motor with contact springs, shaft, gear, and driver flanges at each end. I had problems with the motor wires and springs and the large drive flange, and the plastic and parts did not fit well together. After assembling the power module it wouldn't work. I have not yet determined whether it is the solar unit or the motor that isn't working. Kit might be worth it if the power unit came pre-assembled and in working condition as the rest of the parts are less important for proper function.
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