Montessori Sound Cylinder also called montessori sound boxes. It consists of two sets of 6 sealed wooden cylinders. One set has red tops, the other set has blue tops. Each sound cylinder contain different materials that make a distinctive sound when shaken, Each set graded from very soft to loud sound.The sounds in the red set match their counterpart in the blue set. Montessori senserial sound boxes develop kids hearing ability and judgment ability about sound intensity. Trains kid’s hands grasping ability, concentration and hearing. Great for children preschool kindergarten early learning & teaching aid. Complies with both the Americans with China Association of Amusement Parks and Attractions (CAAPA); International Association of Amusement Parks and Attractions (IAAPA); IS09001-2008, CE,AZ, TUV, ROHS standard.Material: Wood Educational Games: Matching at a distance Grading from an extreme Grading from a midpoint Guess the sound (Using any object or sound producing thing, making the sound in a place not visible, and having the children guess what made the sound.)Language: Loud and Soft The positives, comparatives, and superlatives. Purpose Montessori educational Direct: To refine the auditory sense. Control of Error The ability of the child to discriminate the sounds.Age: 3 1/2 – 4 years Notes: Do not talk while shaking the cylinder or in between finding a match.Our business puts emphasis to the management, the introduction of talented personnel, and the construction of team building, striving hard to improve the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and CE Certification. Warmly welcome to join us, let's innovation together, to flying dream. Over the years, with high-quality merchandise, first- class service, ultra-low prices we win the trust and favor of customers. Nowadays our merchandise sell all over the domestic and abroad. Thanks for the regular and new customers support. We give high quality product and competitive price, welcome the regular and new customers cooperate with us!