Specification Material PlasticColor WhiteFunction Solar Powered Willmill Solar Display TraySize 11x11x38cm 4 33x4 33x14 96 inch appr Diameter of Transparent Tray 8 5cm 3 35 inchFeatures 1 Made of plastic material environmental protection and durable in use 2 A puzzle toy to exercise the childs ability stimulate childrens curiosity and thirst for knowledge and also a fashionable and nice home office accessories 3 It also can be modified as a solar display stand tray take off the connecting rod and put a transparent tray instead 4 When it comes to be a rotating display stand which can show jewelry mobile phones camera cigarettes glasses etc 5 Easy assemble and do not require glue and battery 6 Recommended for ages eight and up 7 Its a great gift for your child for your friend for your client and everyone who is interested in this product Note The solar energy toy series must be driven by the sunshine There are 3 methods to drive 1 The sunshine2 The strong light flashlight3 Bathroom heat lampIt can rotate with weak light it rotate faster with the strong light Installation Step1 Take out the bottom base and put it on the desk Step2 Connect the plug adaptor of the bottom of the connecting rod to the bottom base Step3 Connect the sails to the sails box then the solar windmill installation completed If want it to be a solar display just take off the connecting rod and put the spared transparent tray instead then finish the installation of the solar