More to explore:
Roman Kharkovski personal blog: Backyard zip line project
How to Make a Backyard Zip Line. This summers project !!! :-D
mary jo and steve hoffman | backyard zip line (photo by mark andrew of studio 306)
We should put a zipline in our backyard! ...Now how to make it safe...
DIY Zip Line for your backyard
Best directions on how to build a zip line in the backyard.
Build Your Own Zip Line! It's actually pretty easy! Here's how...
zip line hidden backyard design trends 2013 | Cool Ideas For A Kids Backyard | Dig This Design
Backyard Zip-Line for Kids « The Trailhead
Zip line kits for the backyard...!!!!!!!!! I like having a seat for little kids to ride on.
Cute way to integrate water, sand and a little city! Plus it's not a permanent fixture that your kids will outgrow.
Brand 44 Slackers Eagle Series 70-Foot Zipline with Seat Kit Backyard zip line!,
Simple PVC sprinkler that the kids can ride through on their bikes! Nice instructions here- click the thumbnail for step one.