Check the listing for details. Learning Advantage 7546 Student Elapsed Time Ruler (Pack of 10). Condition: New. Listed at 14.99 USD. Learning Advantage 7546 Student Elapsed Time Ruler (Pack of 10)Specifications for this itemBrand NameLearning AdvantageEAN0819852010651Item DepthinchesItem Weight5.6 ouncesMaterialPlasticModel Number7546Number of Items10Part Number7546UNSPSC Code41111604 Product featuresAward winning tool helps teachers instruct students on elapsed time and duration of time conceptsDesigned to interlock at each side marked "midnight" to create one continuous time lineLaminated on the front to allow the use of dry erase markers to mark the beginning and ending times if neededThink of this time tool as an analog clock unwound into a 24-hour format with AM marked in red and PM marked in blueProduct descriptionThis unique, award winning, write-on/wipe-off time tool allows students to measure and teachers to demonstrate time in a number line format where they can visually see where the time goes.