Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Seventy-times enlarged skin cross section

Seventy-times enlarged skin cross section reveals epidermis

and 500mm focal lengths for comparative refraction experiments

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Optically-worked glass double convex lens with a 150mm focal length and 1

Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Seventy-times enlarged skin cross sectionBuilt for wing spreading during insect mounting, this adjustable board accommodates specimens for butterfly, moth, and large insect preparation.