Overall height: about 30 cmThe main material : plastic and metalPower source: sunlightOther tips: Package includes several sets of white pillars ， there are 8 and 4 ， and vary in length ， you can choose the appropriate combination according to personal preference ， to produce a dozen different combinations of rotating disk ， you can install the 8 ball can also be installed four balls， drawing installedBe8 ball ， using a pillar of moderate length.The fourth generation of DIY solar Ferris wheel ， the use of solar power generation driven rotating wheel rotation ， as long as there is sun ， the light is strong enough ， you can not stop turning.You receive the kits， do it yourself DIY， fun ， fun and educational ， after installation ， you can make a graph using sunlight as shown rotating Ferris wheel ， slowly turning in the sun very exciting. The more intense sunlight， the faster the speed .Exquisite workmanship， but also as a peculiar and unique crafts indoors. Package Included: 1 pcs Ferris wheel toy