You"ve found it! The rainbow connection. Two beautiful choices in maple wood, adorned in tye-dye patterns of rainbow. The mortar and pestle is one of the oldest kitchen tools in existence, dating back thousands of years. Used for crushing, grinding and powdering herbs, grains, spices, nuts, roots, teas ¿ all kinds of healthy things, and very handy for pill-crushing, too. Octagonal Shape, 3 1/2" diameter.