See Through Frog ModelClear plastic frog model comes with actual placement of organs inside. There are ten organs depicted including the tongue, central nervous system, heart, lungs, stomach, small intestine, large intestine, adrenal body, fat body, and bladder. There is a flap on the back that allows the viewer to see the organs up close. The model can be taken apart to see the organs in their typical placement in a real frog. Comes with a key. Size: 5in L x 5in W x 2 in