Hydra Dissection Anatomical Model on Base, 13 inch Graduations_100mL illustrating the high-ratio speed reduction

illustrating the high-ratio speed reduction and self-locking action of worm gearing

levitating above one another when oriented with like poles facing

Mounted nervous system overview traces brain

and cervical spine for head and neck anatomy teaching

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

Hydra Dissection Anatomical Model on Base, 13 inch Graduations_100mL illustrating the high-ratio speed reductionBuilt for cnidarian study, this enlarged Hydra dissection model reveals internal anatomy, digestive cavity, and tentacle structure for invertebrate teaching.