Whether you buy this for a child, for your desk at work or indeed your windowsill this easy to assemble wooden helicopter will not dissapoint. The helicopter is made from wood & is laser cut so it fits together really well with no need for glue. Each individual part simply slots together. Once together the Solar Helicopter takes its power from the sun & the blades rotate. The Solar Helicopter makes an ideal moving ornament for home or office. About Solar Power Due to the nature of solar power, solar powered products will deliver more hours of operation in summer than in the winter.