Human Circulatory System Model, Half Natural Size, on 32 x 12" Base Glassware_Glass Bottles 75-inch frame for bench storage

75-inch frame for bench storage between uses in teaching chemistry and biology labs

Aluminum pendulum clamp with three screw attachments on a die-cast head clamp fitting rods up to 16mm

Two transparent 153 x 76 x 6mm plates

and Newton's Third Law through one-dimensional elastic collisions along a 27-inch V-shaped track with five steel balls

this animal cell meiosis model reveals chromosome pairing

Human Circulatory System Model, Half Natural Size, on 32 x 12" Base Glassware_Glass Bottles 75-inch frame for bench storageHalf life size circulatory system board traces arterial and venous pathways from heart to peripheral capillaries with numbered, hand painted detail for blood flow teaching.