Eureka Manipulatives are great for teaching early childhood learning and a great tool in helping students recognize connections within each educational topic. Each pack includes 176 one-inch square plastic tiles with lower and upper case letters of the alphabet in a plastic storage tub. Teaches letter recognition and spelling. Plastic tub measures 3.75" x 5.5" x 3.75". Not for children under 3 years of age. This product ships in approximately 1 days