The purpose of this material is to introduce the child to the unit combinations of subtraction. Includes: 1 box containing 5 sets of Negative Bead Stairs, 1 box containing 5 sets of Colored Bead Stairs, 1 box containing 23 Golden Bars Of 10, and 1 box containing 1 Black And White Bead Stair. The 4 boxes fit neatly into a beechwood tray.
Data sheet
- Tranche d'âge
- 3-6 ans
- Longueur
- 39 cm
- Largeur
- 14 cm
- Hauteur
- 5 cm
- Poids
- 1.3kg