The Bubble Crawler Crawl Tunnel offers many side portholes providing superior supervision as well as a brightened interior. Inspires curiosity and imaginative play. Easy-assembly and surface mount installation make this freestanding tunnel a quick and fun addition to any play space. Includes surface mount footers and ground spikes. Assembly required. For ages 2-5. 16'L x 15'W Safety Zone. Equipment meets or exceeds ASTM & CPSC standards for playground equipment. Powdercoated steel frame, rotationally & molded plastic tube. Green Color Finish.