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USB charging cord
2 x Long Stairs
gold leaves
This category of lenses
Thinking about future of our planet and new generations
Structural Engineering- Bridges and Skyscrapers age3-4 USB charging cordDo you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the properties of building materials and geometric shapes to design structures with sufficient strength and stability. With this kit of modular building pieces, you can learn the basics of structural engineering by conducting a series of 20 model building experiments. Each model demonstrates a basic principle of
US$ 133.00
US$ 160.00