Home / Educational / BLACK BOARD WITH CHALK View cart “VIGA GEOMETRIC BLOCK SORTER” 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 LACING BEADS $21.50 View Add to Cart VIGA COUNT & MATCH NUMBERS $22.00 View Add to Cart PUZZLE TOWER 48PC ASSTD $7.00