1. Sensitivity and concentration :
Fitting the grooves and protrusions in the gear block requires the sensitivity, and develops organizations and cooperation of hands. Also, higher concentration is demonstrated.
2. Development of imagination and creativity :
It increases the sense of achievement through the process of creating objects, and imagination and creativity will be developes by discovering organizing new things.
3. Self-directed activities :
In the process of creating various new shapes, it helps the children's spontaneous activities as the interest and fulfillment are doubled.