This set includes a square wooden board with 225 indentations and a wooden box with 100 green, red and blue beads. It is used by the children to build squares and to extract square roots.
• Dimensions::
- Board: 27 x 27 x 1 cm
- Box: 20.5 x 13.5 x 4 cm
• Recommended Ages: 6-9 years
