Hand-Crank Centrifuge, 4 Tubes Subject_Physical Science Three-part life-size digestive tract model

Three-part life-size digestive tract model with a removable stomach half exposes esophagus

Built for invertebrate study

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

sized for beginner circuit and physics labs

Polypropylene pipette stand accepts 28 pipettes with adjustable spacing to accommodate varied diameters in organized bench-top storage

Hand-Crank Centrifuge, 4 Tubes Subject_Physical Science Three-part life-size digestive tract modelHand cranked for field use and low cost classrooms, this die cast single speed centrifuge spins four 15 mL tubes for basic demonstrations of centrifugal separation.