More parts, more fun: This Stem toy contains 175 pieces, allowing children aged 4-8 who enjoy hands-on play and creative challenges to build 11 exciting models, such as a tank, helicopter, rocket car, robot, and more. Inspire imagination and creativity: Comes with an easy-to-use illustrated guide to build 11 models, and children can also freely create their own designs. This open-ended Stem building set stimulates imagination and helps children become confident little creators. Build together, learn together: Supports teamwork and parent-child interaction. Learn how to follow instructions, solve problems, and construct real movable structures, enhancing Stem, logical thinking, and skills.