Early Learning Development Activity : Children Can through find the letter and find the number games to achieve completely independent thinking and learning, including 5 educational models- alphabet A-Z, numbers 1-10, Play Songs, word association and take quizzes . High-quality Speaker Colorful Contents: One-key on-off button and adjustable volume with clear sound , Great Preschool educational toys. Vivid colors and clear pictures of Richgv alphabet wall chart would stimulate kids learning interest and develop preschool skills. . Durable Safe Material: Electric interactive alphabet wall chart is waterproof and oil-proof and easy to clean. Soft and Hemming design prevents the edge from scratching your babys hands. Its a perfect educational Tool for 1-6 Year-old kids. Also Its a Great Gift as Preschool Toys. . Good helper for Parents and Teachers :Fun images and popular songs will engage kids to play and learn, which would stimulate the auditory and improve the memory of the child, you can enjoy the funny parent-child interaction time with your kids. . Built-in Touch Sensor: Touching letters or pictures to activate the talking voice after press the power button. If it is not operated for 1 minute, it will automatically shut down, which can extend the battery life. An interactive poster for kids requires 3 AAA batteries (not included). .