SIM Practi-Activated Charcoal, for training, teach the student skill of reconstitution with Wallcur's simulated activated charcoal, Used in the emergency treatment of certain kinds of poisoning the studen
Pulley Large Demonstration Triple, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them