2. Improve observation and analysis ability and concentration.

3, in the process of operation, practice grasping with two fingers, exercise the development of small muscles, and prepare for writing in the future.

4. Train children's vision, hearing, touch, smell and other senses.

5. Train children's discrimination and hand-eye coordination.

6. Train children's observation ability and classification ability, and cultivate their attention.

7. Establish the consciousness of geometric figures and assemble them freely.

8. Cultivate children's aesthetic ability.