Little hands will be itching to start building when they see the Early Childhood Resources Wooden Hollow Wooden Blocks - Set of 18. Made from durable hardwood, these hollow blocks are all based on the same measurement of 3-7/8 inches, allowing them to fit together in a nearly infinite number of configurations. Don"t be surprised if your daycare staff starts playing with them during naptime. These blocks are sanded and finished to be splinter-free, and all joints are glued and reinforced to hold up to any number of ambitious architectural projects. About Early Childhood Resources Early Childhood Resources is a wholesale manufacturer of early childhood and educational products. It is committed to developing and distributing only the highest-quality products, ensuring that these products represent the maximum value in the marketplace. Combining its responsibility to the community and its desire to be environmentally conscious, Early Childhood Resources has eliminated almost all of its cardboard waste by implementing commercial Cardboard Shredding equipment in its facilities. You can be assured of maximum value with Early Childhood Resources. * Hollow blocks in assorted sizes for building * Constructed from rugged hardwood * Sand smooth and finished splinter-free * All joints are glued and reinforced * Base dimension: 7.75L x 3.4W x 3.4D inches