Pertra®-Base Board Math

This baseboard (also suitcase lid) has 280 holes with a diameter of 6.5 mm and is the basis of Pertra® suitcase dexterity and math. By placing many different small parts, all grips and skills. In addition, the specially crafted basic board enables the development of the mathematical ground level Format: 62×41 cm, hundreds of frames with the numbers 1-10, 4 rubber feet, 5 cone holes.