Large Frog Dissection Anatomical Model, Numbered Material_Stainless Steel and 500mm focal lengths for

and 500mm focal lengths for comparative refraction experiments

this demonstration electroscope detects and visually quantifies the magnitude of static charges

3g nickel-plated steel balls on a red wood base

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

9-inch sun and eight movable planets

Large Frog Dissection Anatomical Model, Numbered Material_Stainless Steel and 500mm focal lengths forLarge frog dissection model with numbered structures reveals digestive, circulatory, and reproductive systems for amphibian anatomy teaching.