The LEGO Masters Co-pack 66666 is an exclusive creative building toy set that includes 613 pieces, suitable for ages 5 and up. This LEGO Classic set comes with a storage bag for easy organization and transport. With a sleek design measuring 14.45 inches in length, 11.26 inches in height, and 12.52 inches in width, this set is a perfect addition to any LEGO enthusiast's collection. The set also includes LR41 button cell batteries for added play possibilities, making it a great gift for kids and collectors alike.