Geographic Board for Maths Teaching Kit

Geographic Board Maths Teaching Kits Suppliers China

335mm×535mm, 5mm thick. Printed with 187 grids with the size of 30mm×30mm. The surface is smooth with clear silk screen printing. Copper pins are nailed on each crossing point of the grids, 5.5mm high, all pins are of same height, firm, straight. With a string handle firmly placed on the board.