Classroom set of desktop number lines includes 15 pcs of -10 to 10, 15 pcs of -20 to 0 and 15 pcs of 1 to 20. Set of (45) 30.5 x 5.5 cm write-on, wipe-off plastic pieces featuring blank calibration on the reverse side. Dry-erase pens not included.
Age: 6 +