Children explore their sense of touch—as they search for letters, numbers and shapes in our sensory tubs! The 3 roomy, clear-view tubs come with 3 types of materials for a variety of tactile experiences…and the materials are even washable! Complete set includes all 3 tubs shown, for a total of 8 pounds of materials and 127 pieces. Tubs come with lids for easy storage and measure 13 1/2" in length. Each tub also available separately below.