Tower base, tree house base Heber City , UT | 23 Days 311 7 $300.00 Description I got these to build a tree house on but never got around to it. They are boom sections from a crane. They can be bolted together or used separately. 10 feet long each. You Might Be Interested In Best Quality 10x17 Rectangle In Ground Trampoline $2,995.00 3 Days Worlds Best Quality Inground, Trampoline System $2,495.00 3 Days TRAMPOLINE SPRINGS $3.00 4 Days REDUCE PRICE!! Trampoline For Sale!! $175.00 8 Days Inflatable Bouncer Water Park $449.00 10 Days Bounce house $100.00 18 Mins Yard Play House FREE 3 Hours 10ft Capital play trampoline $1,250.00 5 Hours Water Slide $2,250.00 12 Hours LIFETIME SWING SET $800.00 12 Hours 14 Foot Bounce Pro Trampoline. New In Box. $100.00 13 Hours Plum trampoline $150.00 14 Hours