Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware a compound unit for demonstrating

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

Designed to measure Planck's constant through the photoelectric effect

sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work

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

and 500mm focal lengths for comparative refraction experiments

Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware a compound unit for demonstratingBuilt for wing spreading during insect mounting, this adjustable board accommodates specimens for butterfly, moth, and large insect preparation.