US Patent 10966904 Container system and method

A container system having at least two containers, wherein the container system comprises a light member which is configured to provide information through the emission of light, wherein the container system is configured to provide or trigger the light member to provide the information through the emission of light when a step related to preparing a mixture of contents of the containers is performed. In particular, triggering occurs when the containers are separated from one another and/or when a fluidic connection is created between the containers.