See above. Also, what kind of students are you? That would be useful information for us. ETA: I totally forgot a big one. I would like glucagon in a pen like device that only mixes the amount you want to dispense. Example: I want to give 3 units of glucagon to treat a mild low. I would turn the dial to 3 on the pen and it would mix the powder and dilutent as I press down on the pen to inject the glucagon.