Heart and Lung kit, learn about the basic anatomy of the circulatory and respiratory systems by measuring lung volume, making heart and lung models, and designing a working stethoscope, great introduction to the world of human physiology
Standing Arch Kit, composed of seven wooden (pine) blocks with tight tolerances that when properly assembled produce the shape of the catenary arch. Includes a hook for the attachment of hanger and masses to demonstrate a live load. Size: 16.5 in. Tall, 13 in. Wide
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