Large Frog Dissection Anatomical Model, Numbered Material_Glass Hand-cranked pulley steps up to

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

Demonstrates relative planetary motion on a 13-inch three-dimensional solar system model with a 5

Pair of nylon-fringed metal pompons on insulated stands that fan into wide cones under mutual repulsion when charged

and brush needed to outfit a chemistry or biology bench from scratch

these concavity microscope slides hold liquid samples for hanging-drop preparations and observation of specimens in suspension

Large Frog Dissection Anatomical Model, Numbered Material_Glass Hand-cranked pulley steps up toLarge frog dissection model with numbered structures reveals digestive, circulatory, and reproductive systems for amphibian anatomy teaching.