The wind mill is made of premium ABS plastic, solar panel base, linking shaft and wind mill sails structured .The solar base can be used alone. It can be used to display other small objects, placed under the sun, can rotate, bring you a perfect 360-degree display. The stronger the light, the faster it turns. If possible, place it on a window sill or other place with strong light. Beautiful design suitable any decorationFor example, home, office, classroom, party...Treating it as a gift will be a good choice. Easy assemble. No glue required, No battery required.There is a button to control the switch, put it under the sun and turn on the switch, then it can run. It does not require batteries, only light. Suitable for people over 14 years old.