DIY Building Groups This easy-to-build construction set sparks imagination, offers endless build-and-play fun. An action-packed construction site play kit, it features a bulldozer, a toy crane, a forklift, a wind mill, a gantry crane, a carrier vehicle, rotary crane Easy to Assemble and Organize The building sets come with tools and clear step-by-step guide with photos of the models that can be followed. Player can entertains himself by building toys independently. STEM Education Through Playing Fun and interesting educational toys are designed to improve your children's Science, Technology, Engineering, and Math skills through playing. Keeping children engaging for 1-2 hours each day can enhance his concentration and hand-eye coordination, develop their independent, confident and practical ability. Different Levels of Challenges 10 different designs can be built with 108 pieces of construction blocks. Perfect learning games for classroom kindergarten or home, bringing more fun for 3 4 5 6 7 8 9 10and years old boys and girls. Perect Gift for Kids Kids can create an action-filled holiday, Christmas, birthday or any day gift for kids ages 5and who like construction trucks, bulldozers and crane toys