Quercetti Topo Pythagorean Tube Pythagoras

- Using Topo Pythagoras Tube Pythagoras makes learning the multiplication tables from 1 to 10 very easy and fun.

- Turning the two colored handles at the ends will display the calculation's results in the tube windows.

- Fit for children as young as five years old.

- 22 by 14 by 6 cm in size.