Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Entry-level two-part human skull model

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

supporting up to three pendulums simultaneously for harmonic-motion work

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

a compound unit for demonstrating multi-rope mechanical advantage in physics activities

Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Entry-level two-part human skull modelBuilt for wing spreading during insect mounting, this adjustable board accommodates specimens for butterfly, moth, and large insect preparation.