This impressive 42mm “Mammoth” sized mega marble measures in at over 1-5/8 inches in diameter. Crafted in opaque blue glass with varying colors of either yellow, red, green, or blue swirls, this collectible glass marble resembles a “Blue Dolphin” in style. This big marble will surely create a conversation whenever it is used or placed on display! Image is representative of selection. Each marble is a unique swirled glass orb. No two marbles are alike. Includes a stainless steel, ring-style display stand.