Reflex Hammer allows you to record exactly how fast your reflexes are, Built-in accelerometer will put a marker into your recording the instant the hammer strikes your subject, while the Muscle SpikerBox Pro records from your quadriceps
Engineering a Drug Delivery System Kit, Includes: 5g Simulated Drug, 1L Hydrochloric Acid 1.0M, 1L Sodium Hydroxide 1.0M, 45 Hydrogel Delivery Systems, 45 Plastic Delivery Systems, 45 Cups, 5oz, has enough materials for 15 groups, with Teachers and students Manual