The 90-minute TWIST® is an easy-to-use and fun time management tool great for kids and adults. To use, turn the outer ring until you reach your desired time (the TWIST® counts from 1 second to 60 seconds, then 1 minute to 90 minutes), then push the play button. A digital display shows at a glance how much time remains. Visual flashing alert with optional volume control (low/high/off). 1 AAA battery required for operation (not included). Can display on desktop using the integrated kickstand, or the magnetic back makes the TWIST® a snap to display. Easily attaches to metallic surfaces for ease of use and versatile placement options. At home use the TWIST® for everything from helping kids’ morning and bedtime routines, timing homework and study sessions, or baking the perfect batch of cookies. In the classroom, it’s great for timing tests and turn-taking exercises, timing group activities, and helping kids with special needs transition between activities. In the office, use it to keep track of presentations, team-building activities, and more.