SUN ME Mechanical Puzzle Wind Energy Robot Assembly Walker Hand-invented Wind Power Model DIY Toy Science Experiment Birthday Gift

This item should be assembled by yourself, you have to put the whole things together. Recommend Age: 7-18 age Material: Plastic Package includes:1Pc ToySize:201317cm(7.875.126.69in) Features: It walks on the wind, by hand or by blowing against the propeller Build-it-yourself model kit No external power is needed A best gift for children and family