Demonstrate ascending and descending pitches, as you hear how length of air column affects the pitch. Tube expands from 8" to 32"!
You can also connect pitch tubes to make them longer.
These pull tubes are a fun and functional sensory toy that pop, stretch, and bend. Provides tactile stimulation, fine motor skills and auditory feedback. Great for Special Needs, Occupational Therapy & Physical Therapy.
Plastic, assorted colors. Pkg of 12