Scope of delivery: 1 x experimental construction set. Build your own environmentally friendly and scientific solar experiment, 100% battery-free. Perfect for playing in the sun. Build your own colourful windmill and watch the great windmill in action. Child-friendly operating instructions included. Age recommendation: from 8 years. Manufacturer: Besttoy. Manufacturer's item no.: B 41336. Caution! Not suitable for children under 3 years. Choking hazard due to small parts that can be broken off and swallowed.