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Mark-My-Time has bookmarks and booklights with built-in reading timers for kids to monitor and track their own reading minutes for school reading logs and summer reading programs with local libraries.Choose from over 25 different styles and all include a countdown reading session timer with an alarm, a 60-second fluency timer, a cumulative timer that stores up to 100 hours of reading minutes, and a time of day clock.Additionally, there is a style that includes a bright LED reading light that has an automatic shut-off when your reading time is complete. They're portable and conveniently stay tucked in your book to make reading time fun....anytime!