Geared clock teaches elapsed time using number lines. Magnetic Demonstration Advanced NumberLine Clock comes with a clock frame and 2 detachable number line chains—1 for AM and 1 for PM—to show how a clock can be turned into a number line. Magnets make it easy to attach clock to a magnetic whiteboard. Clock also includes 3 different styles of analog clock designs, making it easy to demonstrate telling time on clock styles children might encounter in the real world.

• Highlights:
• Gears maintain correct hour and minute relationship
• Practice telling time on 3 different styles of analog clocks
• Build your own 24-hour number line from a clock with color-coding for AM and PM
• Use to calculate intervals of time and solve elapsed time problems