Designed with the growing and moving 2 to 5 year age range in mind, the Single Tunnel Crawl Tube is sure to delight children as they journey from one end to the other. The crawl tube is designed to resemble a train caboose and even features “Caboose” spelled out on either side. Four wheel panel accents add to the feel that the crawl tube can roll right down the tracks. The Single Tunnel Crawl Tube can be purchased as a stand-alone unit or as part of the Choo Choo Express Set, which includes two other items. The crawl tube consists of a plastic tube and a powder-coated steel frame and it anchors in-ground. The unit is available in a variety of colors. Color selection for the crawl tube can be made at the time of purchase with our sales representatives. The Single Tunnel Crawl Tube is sure to be a favorite as children crawl and use their imaginations during play.