A wooden compartment box contains bead chains of 100 and 1000.

Materials

Beech wooden box divided into two cells, respectively, equipped with ten of10 golden beads and one hundred of 10 gold beads.
handmade. Good surface treatment.
The white box

1Strengthen children�s formation of understanding1000
2Be familiar with the continuous and the number of cis
3Strengthen the binary

4Develop the Concentration and independent mind
5Let the children learn the relationship between the corresponding amount