Solar Powered: This windmill model is powered by a panel, allowing the to when exposed to sunlightAssembly Required: The solar windmill requires ample sunlight to operate efficiently and spins rapidly under strong sunlight. It comes disassembled with detailed instructions for easy assemblyDelicate Motor Design: The desk model features a wire bonded motor that should be handled with care during assembly to avoid detaching solder points, which could affect functionalityMaterials: Constructed from pp, this Mini Solar Energy Wind Mill Toy is sturdy and lightweightIdeal Gift: This solar powered windmill model is a good gift for children Size Chart: base : 14cmx9cmx3cm/5.51inchx3.54inchx1.18inchheight : 26cm/10.24inchlength : 11cm/4.33inch Package Includes: 1 setWindmill Toy Note: 1.This is not infant toy , please take away from children to avoid eating.2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.