Large Roman Arch

Build an arch strong enough to support your weight with this working model. Its construction and applications teach basic concepts of equilibrium, force as vector, and arch structures. The 4? wide blocks assemble without any glue and allow students to easily and safely stand on the arch to illustrate the strength of this classic structure. Includes 26 precision-cut hardwood blocks, instructions, and a full-scale template. Size: 35 x 15 x 10cm; weight: 2.25 kg.



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