The most genius tool in Montessori sensory play is the Sound Cylinders which Train children's recognition ability to hear, with this 12-cylinder set you can make pleasure playing learning time with your child.
Prepare 6 Kinds of different sounds materials, put them into 6 pairs of tubes, and divide them into 2 groups (each group 6 tubes with different sounds); then, pick up one tube in one group, and make the child hear and memorize the sound, and then pick out the right same sound in the other group.
Wooden Base: 20x10x1.5cm / 7.87x3.93x0.59inch
Sound Tube: 9.3x3x4cm / 3.66x1.18x1.57inch
Warning: Not suitable for 0-3 years, Small Parts, Choking hazard, requires adult supervision.