Classroom set of desks top number lines with 15pcs -10 to 10, 15pcs of -20 to 0, and 15pcs of 1 to 20. All sets have blank calibration on reversed side. Write-on wipe-off plastic.
Set of: 45 pieces in a polybag.
Item Size: 305mm 55mm
Learning Skills: Counting, basic operations
Product Code: 26075