Building kit Marble track Rollercoaster Hybrid on solar energy or battery wood

Construction kit Hybrid Marble Track Rollercoaster on solar energy or battery wood Build your own marble track on solar energy and electricity (battery).   Let the sunshine hit the solar panel and the marbles will start rolling.   A fascinating spectacle.    Dimensions (in cm.,l w x h): 16 x 19 x 20 Difficulty: Easy Construction time: approximately 1 hour Package contents: - Wooden building plates where you can easily print out the parts - engine - solar panel - wiring - glue - 3 steel marbles - battery box (batteries not included - 2x AA) The instructions for use are in English, but consist almost entirely of clear photos, All wooden building kits from Kitcreatives are made of higher quality FSC-certified wood.