Learning Resources Magnetic Elapsed Time Set Segmented timeline even helps students understand that elapsed time can begin in the PM and end in the AM Provides a hands-on, concrete way to teach the abstract concept of elapsed time Removable guide numbers support differentiation Set includes 2 magnetic clocks with hands, 24-hour timeline (4 segments), start and end time arrows, and removable guide numbers Clocks measure 10" Ideal for ages 7+