Pop Tube | Small Pop Tube | 4pcs Plastic Pop Tube Coil Children’ S Toys Early Educational | Pop Tubes Sensory Toys, Fine Motor Skills Toddler Toys |

Pop tubes are colorful, bendable, accordion-style plastic tubes that make a distinct “popping” sound when stretched, squeezed, or bent.

Used as sensory toys, they are popular for reducing stress, improving fine motor skills, and helping with focus in children with autism or ADHD.