The Prestan Professional Collection consists of one (1) Adult Manikin, one (1) Child Manikin, and one (1) Infant Manikin (all manikins installed with Rate Monitor and Depth Clicker for CPR Feedback and AA batteries). Also includes 10 Adult Face-Shield/Lung-Bags, 10 Child Face-Shield/Lung-Bags, 10 Infant Face-Shield/Lung-Bags, an Instruction Sheet and Carry Bag.