Sound Boxes/Sound Cylinders

Description of Materials: Two boxes, each containing six cylinders, one set with red tops, one set with blue tops. Each pair of cylinders makes a different sound when shaken. Dots on bottom of three pairs of most contrasting sounds. 
Purpose: To enhance discrimination of sound. 
Recommended Ages: 3 years and up. 
Sensorial. Sense of Hearing. Auditory Sense. Sound Boxes. Sound Box. Sound.