The wind-powered car toy designed to be user-friendly, with clear instructions that guide users through each step of the assembly process. It's an for high school students to learn scientific principles. Features -Color:Green -Material:ABS -Size:13.50X8.00X7.00cm/5.31X3.14X2.75in - Battery: 1PC AA Battery(not included) -Science project: this Material provides funny science project that children can enjoy while learning -Enhances creativity: the assembly process encourages children to use their creativity and imagination -Teaches physics concepts: children learn about wind power and basic physics principles through building the car -Engages: the wind-powered car captures children's interest and keeps them engaged in learning -Ideal for family activities: parents and children can work together on this project Package list: 1 x Set of DIY Wind Power Car Material