Product name: DIY wireless remote control carMaterial: environmentally friendly wood, electronic accessories, metal accessories, plastic accessories (4 AA dry batteries are required, please bring your own dry batteries)Suitable age: 7 years old and aboveFunction: exercise children's hands-on ability, understand the working principle of wireless remote control carnotes:1. Due to many factors such as display brightness and light brightness, the actual color of this product may be slightly different from the pictures displayed on the website.2. As each person's production method is different, please refer to the finished product size, the size in the figure is for reference only.3. This list only applies to the items listed above and does not include other attachments (if any).4. Due to logistics restrictions, this product does not have a battery, please bring your own, please understand.