Kindermatic Volume Box with 250 Cubes 蒙特梭利 250粒正方形

Kindermatic Volume Box with 250 Cubes 蒙特梭利 250粒正方形

教具構成：收納櫸木盒一個，1*1*1cm小立方體250粒。

The wooden box contains 250 wooden cubes. For use in the calculation of volume and cubing material.