TOPS Treehouse was custom designed and built for the 2 thru 5 year-olds attending The Orinda PreSchool. Surrounding a giant oak tree, this play structure provides a secure way for very young children to experience play activities up amongst the tree branches. The rung ladder and the ADA transfer platform system provide easy ways up to the 4' high deck. The hand-woven rope net ladder is the more challenging way up to the 5' high deck, which also has a scoop slide for a quick, fun way down. TOPS Treehouse complies with the ASTM F1487-11 Standards for Public Use Playground Equipment and the Americans with Disabilities Act guidelines.