Your junior scientist will love The Young Scientists SeriesSet 6. This set is a collection of 3 kits: Kit 16Flight; Kit 17Heart and Lungs, and Kit 18Digestive System. These kits make science fun. Your child can make planes, parachutes, jets, windmills, and spinners before "flying" into the world of the human heart and lungs. Your young scientist will measure lung volume, make heart and lung models, and design a working stethoscope. The journey continues with the digestive system where the enzyme pepsin eats away gelatin, iodine colors starch, and fats make brown paper translucent.