Bull Frog Dissection Anatomical Model with Open Back on Stand, 22 x 16 inch Physics_Light & Optics Eight nickel-plated aluminum forks spanning

Eight nickel-plated aluminum forks spanning C 256Hz to C 512Hz in a C-major scale

hand-painted detail for blood-flow teaching

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

preventing blowouts while anchoring the unit against accidental classroom contact

5-200Hz via 4mm plugs

Bull Frog Dissection Anatomical Model with Open Back on Stand, 22 x 16 inch Physics_Light & Optics Eight nickel-plated aluminum forks spanningBull frog dissection model with open back reveals vertebral column, spinal cord, and amphibian skeletal structure for comparative vertebrate teaching.