Parent builds it up. Kid knocks it down. At first, that's how it goes with blocks and little ones. But soon enough they'll be stacking, sorting, nesting and counting away with the help of this educational set. Each block features vibrant illustrations and is numbered from 1 to 10. Details, details - Set of 10 blocks comes packaged in a reusable storage box with carrying handle - Smallest block 1.5 square, largest block 5.25 square Age range - 1 and up