Sharpen your child’s auditory senses with this engaging sound-matching activity. The set includes two boxes of cylinders that produce distinct sounds when shaken. Children match the pairs by listening carefully, enhancing their concentration, memory, and sound discrimination skills. Made with high-quality materials, this classic Montessori tool is perfect for ages 3-6 and supports sensory development in a fun, hands-on way. Ideal for classrooms or home learning environments.. Inspired by Montessori principles, this activity provides an engaging, hands-on approach to exploring differences in weight. "20*14*11cm"