From JoySeed-Store:1. Product Types: Including building block kits, engine models, handheld game consoles, remote control toys (tanks, engineering vehicles, off-road vehicles), etc. We will continue to update interesting and creative gifts, so stay tuned!2.After-Sales Service: If you encounter any problems when using the product, please send us an email in time, and we will try our best to solve the problem for you! Your satisfaction is our motivation!3. Free Replacement of Missing/Damaged Parts: All parts are usually included in the package. For missing or damaged parts, please send us the necessary description + pictures and we will send you new parts for free.