Description: Montessori Sensorial Teaching Toy - Wooden Sound Cylinder Set Includes 2 boxes sound bucket, each box with 6 different sound cylinders filling with different materials; shaking the cylinders, there will be different sounds out. Help 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 Material: Wood Size Chart: Box Size (L x W x H): Approx 18 x 10 x 13cm/7.09 x 3.94 x 5.12inch Sound Cylinder Length: Approx 10cm/3.94inch Package Includes: 1 Set Montessori Sound Toy