Item number: 4037373402601 View all from Solexpert > View more: Construction kits > Solexpert Construction kit - Helicopter with solar panel Fun educational gift. An ingenious construction kit with clear instructions and an efficient solar cell and motor. The helicopter is easy to assemble due to the precise parts, and without nails and glue. The blades start rotating when there is sufficient sunlight on the solar cell. The helicopter can be repainted if desired. Become aware of solar energy with this environmentally friendly Construction Kit No sawing required Works without batteries, completely environmentally friendly! All wooden parts are prefabricated Product specifications Construction kit - Helicopter with solar panel Item description Construction kit - Helicopter with solar panel Item number 4037373402601 Occasion Birthday, Sinterklaas, Christmas Hobby Crafts & Drawing Suitable for ages 8-12 years, 13-17 years Country of origin Germany Dimensions: 20 cm long, 8 cm high Made with beech wood Works with sunlight, a bright lamp, and halogen lamp light