Structural Engineering: Bridges pens cuddling up with comfort is

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mother Teri

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25 inches from ears to toes

Structural Engineering: Bridges pens cuddling up with comfort isCurious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. The 36 page, colorful instruction manual makes it easy to learn about basic structural elements including columns, beams, trusses, plates, arches, shells, and catenary through hands on construction. Experiments explore the forces acting on structural components including tension, compression, shear, and