Wooden hanger for teen bead with small tiles 11 to 19.

Materials

Composed of two parts, digital board and bead frame used with the Sagan board C070.
High-grade imported wood (beech), safety and environmental protection paint, surface treatment.
The white box

Purposes

1Correct understanding of the consecutive number of 11-19
2To help children grasp the arrangement of several consecutive experience for several sequential relationship.
3Understand the relationship between bits and ten understand the consistency ��between the amount and "digital" that represents the number of symbols