Number Lines (Negative/Positive) Pack of 45

Classroom set of desktop number lines with 15 sets of -10 to 10 lines, 15 sets of -20 to 0 lines, and 15 sets of 1 to 20 lines. All sets have blank calibration on reverse side and are made from write-on wipe-off plastic.

Specification: Size: 305mm x 55mm. Pack of 45.