SET OF 15 DICE: DIFFUSION BLUE SKY Tweet Out of stock. CAD$ 36.99 Wishlist View this product on the Buylist Description Set of 15 Dice: Diffusion Blue Sky w/ Arch'd4 Each set of R4I dice averages about 25% larger in size than traditional dice for higher visibility and better rollability! Contains 3 Arch'd4, 4d6, 2d8, 2d10, d%, d12, and 2 Balance'd20 in a plastic display box.