Be more effective and save time as well with this nifty magnetic sheet and magnet set that strongly holds to any magnetic whiteboard. The first chart features numbers from 1-120 already in a grid whilst the second chart features a blank grid so that you can easily write your own numbers to customise your lesson of the day. Each sheet is dry-erase friendly and wipes clean when used with standard whiteboard markers. Comes with 120 "Donut" circular magnets for use when certain numbers need to be highlighted and 120 solid circular magnets for when certain numbers need to be hidden. 1 x 1-120 Magnetic Sheet - 60cm W x 72cm H1 x Blank Magnetic Sheet - 60cm W x 72cm H 120 x Circular 'Donut' Double-sided Magnets - 60mm outer diameter, 50mm inner diameter, 1.5mm thick 120 x Circular 'Disc' Double-sided Magnets - 50mm diameter, 1.5mm thick