An innovative oral motor device designed to provide a resilient, non-food chewable surface for practising biting and chewing skills. Originally designed to be used with the Jaw Rehabilitation Program they offer a safe, non-toxic surface and are latex and lead free.The little bumps on the surface of the Green Knobby Chewy Tube provide tactile stimulation for the mouth. Red Chewy Tubes offer a slightly larger stem than the yellow and provides greater resistance with the blue Chewy Tube providing the greatest resistance. Chewy Tubes are available in packs of two and six.