Children's Handmade Technology Small Production DIY Traffic Lights Fun Invention Educational Science Toy Learning STEM Education

Children's Handmade Technology Small Production DIY Traffic Lights Fun Invention Educational Science Toy Learning STEM Education Features: 1. Apply scientific knowledge (such as physics, chemistry, biological sciences, and geospatial sciences) to understand and participate in influencing the natural world. 2. Fully understand the application practice, understand its structure and application, principle and structure, apply what they have learned, and draw inferences from each other 3. Understanding of system projects. The rhythm of grasping the huge system. Controlling and positioning 4. Unique understanding of beauty, cutting-edge vision. Color grasp, structural coordination, logical relationship. Leading fashion and pursuing excellence 5. Discover, express, explain and solve problems to digitize and standardize. Mathematical problems in a variety of contexts Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow slight measurement deviation caused by manual measurement, thank you for your understanding.