The 48-inch Crawl Tube adds a classic tunnel to any play area — a durable, commercial-grade crawl-through that sparks peek-a-boo, chase, and hide-and-seek while helping younger children build spatial awareness and confidence moving through enclosed space. A simple, rugged Blue Imp component that drops into a new or existing playground. Built to CSA Z614 and ASTM F1487, and shipped across North America and installed by BDI Play Designs throughout Alberta and BC.