Home / Educational / BLACK BOARD WITH CHALK View cart “VIGA MATHS BLOCK” has been added to your cart. $4.60 Out of stock SKU: 9706 Category: Educational Product ID: 12755 Related products View Add to Cart Geostacks $24.00 View Add to Cart VIGA PATTERN BOARD AND BLOCK $37.00 View Add to Cart VIGA SHAPE BLOCK PUZZLE $36.00 View Add to Cart VIGA GEOMETRIC BLOCK SORTER $22.00