Boinks are easy-to-use, spring-action, plastic woven tube toys for children of all ages. Parents of children with ADHD, Autism Spectrum Disorder, or Sensory Processing Disorder, take note: Boinks are a great sensory toy due to their texture and spring like action as well as may help to develop fine motor skills all while your kids are having a good time playing. Boinks are also a wonderful fidget toy for use at home or in the classroom. Pack of 28 boinks.