Sales price 33,60 €
The Introduction to decimal system is a material for the development of the mathematical mind, and is offered as a facilitating tool for the construction of the decimal system. It consists of nine units of gold beads, nine sticks of 10 gold beads, nine squares of 100 gold beads, a cube of 1000 gold beads and a tray with 4 compartments. All the pearls are made of plastic, while the tray is made of wood.