Speedy-Carve™ Blocks: Created from a revolutionary material, Speedball Speedy-Carve™ Blocks provide you with a nearly effortless carving experience without having to sacrifice the fine detail usually associated with traditional linoleum block designs. Available in five sizes and great for use with either water-soluble or oil-based block printing inks, these blocks are the perfect fit for novice and expert relief printers alike!