A device, method and system for displaying medical information/instructions is presented. The device is comprised generally of an elongated base displaying a plurality of color-coded zones having a plurality of removable instruction portions attached which correspond to each color zone. The instruction portion is generally comprised of fastener and a medical information/instruction display. The medical information/instruction display can be at least one sheet on which the medical information/instructions are printed or an electronic display such as an LCD screen. If printed information/instructions are used, each sheet may be contained within a transparent sleeve to protect the sheet from damage. In use, a childs weight is correlated to a specific color zone on the elongated base and the corresponding instruction portion is removed and fastened to an object near the child to easily enable the user to administer medical treatment to the child.