Product Description Material classification: ABS Applicable people: adults, teenagers, children Building instructions: Please note that this product does not come with paper instructions. To download the PDF manual, follow these steps: 1. Scan the QR code or enter the URL provided on the card. 2. You can switch to the English page in the upper right corner of the manual website. 3. Enter the random verification code provided. 4. Enter the key on the card. 5. After passing the verification, you will be able to download the electronic version of the PDF manual. Notes: Our product parts are sorted by machine and then manually inspected to ensure all parts are accounted for. However, if you find any parts missing, please feel free to contact us for free replacement. If you have any questions or concerns about our products, please feel free to contact us. We are committed to providing excellent customer service and will respond to your inquiry within 24 hours.