Hand2Mind Advanced Numberline Clock, Telling Time Teaching Clock, Elapsed Time Clock, Analog Clock Learning For Kids, Middle School Clock Manipulatives, Teaching Time Classroom Clock (Set Of 25)Help children calculate intervals of time and solve elapsed time problems. The Advanced NumberLine Clock comes with a clock frame and 2 detachable number line chains1 for AM and 1 for PM. Simply unfold the number line chains, snap them together, and youve created a number line out of a clock. The Advanced NumberLine Clock also includes 3 different styles of analog clock designs, allowing children to practice telling time on clock styles they might