Helps pupils to develop a visual image for locating large numbers quickly. The number patterns remain visible as the beads do not slide. The beads alternate between 10 red and 10 white beads.
Contents:
50 red and 50 white wooden beads (1 cm Ø)
white cord (150 cm)
Data sheet
- Tranche d'âge
- 3-6 ans
6-12 ans