Indian Abacus Self Learning Pack With Tutor Manual - Racers (4th Level)(White, Green, Red)

The Indian Abacus is an educational counting tool for learning to do fast and accurate mental arithmetic, applicable for children 5 to 13 years, more particularly it helps in enhancing their brain skills such as CONCENTRATION, VISUALIZATION (PHOTOGRAPHIC MEMORY) by activating the right brain, the seat of intelligence. The present invention introduces a tool which can display color image representing any value by moving the sliders up and down.