Active Volcano Tabletop Model with Cutaway View, 17" Base_Octagonal Twice life-size longitudinal section reveals

Twice life-size longitudinal section reveals nasal cavity

3" (85mm) and an outer diameter of 3

sized for whole-class visibility of momentum-and-energy conservation through pendulum collisions

Greatly enlarged pituitary-hypothalamus complex exposes the anterior and posterior lobes with connecting infundibulum for endocrine anatomy and physiology teaching

Long-focal double-concave glass lens at 75mm diameter and 300mm focal length

Active Volcano Tabletop Model with Cutaway View, 17" Base_Octagonal Twice life-size longitudinal section revealsCut away 17 inch active volcano model reveals magma chamber, vent, sills, and crater within internal rock layers, each numbered feature keyed to an identification card.