Color-Coded Flexible Human Spine and Pelvis Anatomical Model, 31.5 inch Racks & Stands_Draining Racks and inner ear sections support

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

Steel 2 by 0

this resistance box at plus-or-minus 1% on each step replaces dozens of fixed resistors at the bench

3 glass features 10mL capacity with spout for small-volume chemistry and laboratory applications

Color-Coded Flexible Human Spine and Pelvis Anatomical Model, 31.5 inch Racks & Stands_Draining Racks and inner ear sections supportColor coded spine and pelvis model differentiates cervical, thoracic, and lumbar vertebrae for spinal anatomy instruction.