Build and explore limitless construction possibilities with this deluxe building bag. A variety of shapes and colors encourage endless creativity and open-ended play. Use the classic colored blocks to build tall towers, crazy castles, funny creatures and more. PVC-free duffle bag is large enough to store all of the blocks and more. 145-piece set is compatible with all Mega Bloks first builder sets (sold separately). Deluxe building bag is designed for children ages 1 to 5.