The human body is a marvel of evolution, and now you can learn all about its many different and specialized organs with these small replicas. Set includes: small intestines, large intestines, lungs, brain, heart, kidneys, stomach and liver. Terrific for biology and life science classes, plus health and anatomy lessons. Plastic pieces range from 1-1/2" to 3-3/4" tall. Phthalate- and lead-free. For ages 3 and up.