You’re building a stuffed-animal zip line by holding a cord against the wall, hooking a cute stuffed animal onto it, then letting the animal slide down as you time it. “Does anyone know what gravity ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A while back, my son and I started talking about building a zip line in the backyard.

Nothing will shake you out of your daily routine quite like zipping through the air at 85 miles per hour, courtesy of South Africa’s Pronutro Zip 2000, the world’s longest, fastest and highest zip ...