The Time Timer TWIST is a new, digital version of the Time Timer! Set the TWIST by turning the outer ring until you get to your desired time, then press the Play/Pause button. The TWIST is a 90 minute timer that will help everyone manage their time at the office, at home, or in school. Includes magnets on the back so that it can be attached to most metallic surfaces. Details:White and red3.5 in.Easy to see how much time is leftHelps children and adults better visualize and manage the passage of timeFor ages 3 and up