Enjoy life， enjoy shopping， Features:100% Brand new and high qualityPower by Solar energy， no battery requiredwhen exposed to sunlight， can start its mini-engine by shaking itselfIt must be placed under the strong sunlight， till it works.Use of children above 6 years oldA very cute and creative toyCan lead kids to know solar energy in an interesting way---Why can the little toy move without battery?Why it can't move in the dark?A perfect play-and-learn toolSpecifications:Size : 8*7.8cm(approx)Due to the light and screen difference， the item's color may be slightly different from the pictures. Please understand.Package includes:1 x Mini Solar Power ToyPlease contact us freely if any problem!