Help students see that a clock is simply a circular number line and change how they learn to tell time! Each NumberLine Clock comes with a clock frame, snap-on minute and hour hands, and two reversible number lines (one for hours and one for minutes). Simply bend the number lines into a circle, connect the ends, put them into the clock face, snap on the hands and you've created a clock! This Number Line Clock for kids is a school supplies essential. This wonderful Montessori math manipulatives learning to tell time set helps your kids work independently to learn how to tell time.