From MAYS Team 1. >> After-sales guarantee: Usually all parts are included, but if any part is missing, you can contact us and we will send you a replacement part free of charge. Thank you in advance. If you have any questions, you can send us an email, and we will reply you within 24 hours. 2. >> Our store includes many fun and creative toys, such as building block kits, engine models, handheld game consoles, RC toys (tanks, off-road vehicles, construction toy), cosplay products and more. 3. >> Technic enthusiasts and building blocks lovers can easily find new challenges here! Our store has different new products every day to meet your needs. Our toys are suitable for every child, teen and adult. The best birthday or Christmas gift to inspire your child's creativity and curiosity. Come and explore new territories with your child! 4. >> Please follow us all the time to get the latest New Products! Each of our products has been tested by professionals before shipping, so there is no need to worry about technical problems.