Tubò Pitagorico has a very intuitive and involving operation. By turning both red and blue knobs at the end of the tube, the child can choose two numbers to multiply and divide, observing the result.
The toy is an ideal tool to review all multiplication tables from 1 to 10. Moreover, being able to select the numbers of interest, and hiding all the others, Tubò Pitagorico makes it easier for the child to concentrate on a particular operation.