Ceramic Magnets with Keeper and Stamped Ends, 3" (Discontinued) Physics an ignition light firing on

an ignition light firing on compression for visual timing

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

and core layers detach one by one for geology instruction

and leaf-electroscope demonstrations

Three-part color-coded human skull model differentiates bone regions and sutures for detailed cranial anatomy instruction

Ceramic Magnets with Keeper and Stamped Ends, 3" (Discontinued) Physics an ignition light firing onStamped N and S ends on this 3 x 0. 5 x 0. 25 inch ceramic bar pair simplify pole identification, with a spacer and keepers in a 3. 5 x 1. 5 x 0. 625 inch cardboard storage box.