This isn’t just another sound box—modest looking but uniquely educative and very engaging for kids, Guidecraft's Peekaboo Sound Boxes offer the perfect blend of fun, learning, and affordability. Every Peekaboo Set contains wooden cubes. When shaken, kids can hear rattling sounds, where each cube has a unique sound. The idea is to help kids learn how to identify various sounds. The overall layout is simple and still manages to engage and challenge the kids. These Sound Boxes are ideal for day care centers, preschools, and all homes with kids between the age of 3 and 7 years. Dimensions for each box are 12.25" W x 9.5" D x 3.25" H. These durable birch wood pieces come with 1-year manufacturer’s warranty and see-through acrylic windows