Thrill-In-A-Box Zipline You can now make your own backyard zip line and experience the adventure and thrills of a professional course. This is the must-have gift for the adventure seeker who wants to play at home. The kit comes with everything you will need to build and operate your own zip line safely. If you put one of these up in your backyard, you’ll be the talk of the neighborhood! You can choose from a number of kits and configurations to fit any backyard, with prices starting at $269.95 from Zip Line Gear or Amazon.