Feature 1A small model that stimulates a child's interest in learning and curiosity. 2Improve children's hands-on ability through dismantling and assembling 3The use of ecological, non-toxic, pollution-free wood materials, safe to use. 4Small toys can arouse children's curiosity and scientific and reasonable set-up and other characteristics received 5More and more parents' favor, becomes the parent educates the child's helper. 6Such as developing children's cognitive ability, observation ability, memory ability, comprehension ability, coordination ability of various parts of the body, etc.Item Type:Wind Generator ToyVoltage:1.5VBattery:2 x AA Battery(Not Included).w-e-text table td, .w-e-text table th{border: .5pt solid 000;};.w-e-text table{border: 1px solid 000 important;} .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x White Emulsion5 x Batten1 x Wooden Board2 x Motor1 x Battery Case2 x Triple Fan Blades1 x Wire4 x Zip Ties2 x Diode1 x Users ManualNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.