This simulator is a single leg with the ability to be placed on the Life/form® Infant CRiSis™ Manikin. The leg comes complete with 10 replaceable bones, two sets of replacement skins, and a fluid administration kit enabling you to actually visualize a flashback and infuse fluid into the leg. Intraosseous infusion needle included. Five-year warranty. Size: 12 in. x 10 in. x 4 in.