500mm Connecting Lead with Crocodile Clips Both Ends, Red, 4mm Plug Features_Spout Hand-crank centrifuge spins four 15mL

Hand-crank centrifuge spins four 15mL tubes for teaching sedimentation

this 40-piece optical bench kit pairs an aluminum track and sliding holders with lamp

Life-size digestive system model in two parts reveals the esophagus-to-rectum path with stomach

Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model

and 400 ppm

500mm Connecting Lead with Crocodile Clips Both Ends, Red, 4mm Plug Features_Spout Hand-crank centrifuge spins four 15mLUsed as the positive rail partner to the 500mm black lead, this red insulated wire with crocodile clips at both ends keeps polarity color coded across longer student bench setups.