Easy to Follow and Build: The building set includes an easy to follow, step-by-step instructional guide showing how to build these models. It includes a full-color instruction manual, makes it easy for kids to play with bricks by following the clear building steps. Great for boys and girls ages 6 and up and for police fans. High-Quality Materials: All our products are made of safe materials, non-toxic and BPA-free, child-friendly and safe. It has long-lasting durability and can use for a long time. Great STEM learning educational building blocks for 6 7 8 9 10 11 12 Years Old Boys Girls. Ideal Gift: Our STEM toy is designed to be educational and entertaining, a great gift for birthday, Children's Day, Christmas and so on. Great learning toys and educational gift for 8+ years old kids.