The Perch Anatomy Model Activity Set is an anatomy activity set from American Educational Products and manufactured in the United States. This anatomy set shows the special adaptations that the aquatic vertebrate have for exchanging oxygen and carbon dioxide. The organ systems are graphically illustrated in 3-D. The set includes two inset diagrams of gas exchange in the gills and the complete skeletal system is also presented. The set is also supplied with an activity notebook with glossary, key, black line master, and color transparency. This activity set is best used for student education. The Perch Anatomy Model Activity Set is 24.0 x 17.7 in and weighs 2.20 lbs.