This set of 12 speak-and-listen phones allows children to practice speaking and reading with phonemic awareness. While speaking into one of these phones, the user's voice is directly funneled into his or her own ear. Use them in group speech lessons. Explore articulation, fluency, phonetic sounds and more. These phones can help to build confidence while reading and pronouncing words. They can also help children learn to speak at an appropriate volume. Made from durable plastic, these phones are designed to last for years of home or classroom use. And children will love the vibrant orange and blue colors. For ages 18m+. Size: 6.5"L x 4"W. Recommended age 18+ months