Amplifier 4 Channel, signal conditioner for iWorx-brand transducers that provides four channels of excitation power, gain, and noise filtration, exhibits low system noise and offset, ideal solution for conditioning signals from low-ba
4D Anatomy Human Heart Model, 4.5in model contains 32 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description of the anatomy, Has unique puzzle challenge, For ages 8plus