Freshwater Polyp Anatomical Model Racks & Stands_Bottle Stands and vascular cylinder for plant

and vascular cylinder for plant anatomy and absorption teaching

Supplied with 5 Nos

the shallow apex producing minimal deviation for studying small-angle approximation in dispersion experiments

Labeled-terminal 50-ohm resistance unit at 7

Clear-coated wooden A-ramp at 17 inches long paired with a double-ended cone roller that appears to travel uphill while its center of mass actually descends along the diverging rails

Freshwater Polyp Anatomical Model Racks & Stands_Bottle Stands and vascular cylinder for plantFreshwater polyp model demonstrates cnidarian anatomy, tentacles, gastrovascular cavity, and simple invertebrate body plan for biology teaching.