Unleash boundless creativity and build a world of fun with building blocks designed to inspire endless hours of imaginative play. These sturdy blocks are the perfect foundation for constructing towering structures, fantastical forts, and everything in between. After each build, knock the bricks down and build them up again! Large blocks hold up to 150 pounds. Smooth surfaces allow for easy cleaning and sanitizing. Adult assembly required. Includes illustrated instructions and 40 colorful blocks in 3 different sizes. Brick by Brick: Laying the Foundation of Hands-On Learning Product Dimensions: 8 Large (2 each of 4 colors): 12" x 6" x 3", 8 Medium (2 each of 4 colors): 6" x 6" x 3", 8 Small (2 each of 4 colors): 6" x 3" x 3" UPC: 882319026847