Developing hands-on projects for the body systems can be challenging for teachers. This is a fool-proof project that will have your students engaged, learning, and enjoying their creations of outlining, drawing, coloring, and labeling the urinary system. The aprons were purchased for less than $2 each on Webstaurant. The students used colored, permanent markers. The best part was their ability to remember the parts and being able to take the aprons home. I included the rubric.