Pop Toobs strengthen muscles involved in two-handed activities and provide auditory, visual, and tactile feedback. Simple accordion tubes pull apart--up to 29"--and scrunch back to 8 1/2", bend and snap together. Bend one into a circle and snap the ends together to form a bracelet, connect one to another and
then another, there are many possibilities. Play and learn while developing muscle strength with these pop toobs. They are an excellent sensory toy for individuals with Autism Spectrum Disorders and SPD.