Epidural and Spinal Injection Trainer, Dimensions: 45 x 35 x 24 cm, functions: epidural anesthesia using the loss-of-resistance and the hanging-drop technique, spinal anesthesia with realistic resistance of the dura and arachnoid mater
Balancing Act Set, Includes: 8 Black carbon atoms, 20 White hydrogen atoms, 26 Red Oxygen atoms, 26 Gray links for single bond, 32 Gray links for double bond, Makes learning to balance chemical equations fun and easy, Hands-on molecular models to simulate combustion reactions