Looking to turn your backyard into a training ground for tightrope balance or a balance challenge zone? This complete slackline kit offers a 57 ft line setup designed for both kids and adults. Whether you're creating a slackline obstacle course, exploring a tightrope walk, or designing a backyard zipline-inspired experience, this all-in-one set supports fun and skill-building for all ages. This beginner slackline set includes everything you need: a main slack line, a training line for balance support, dual heavy-duty ratchets, arm trainer, ratchet cover, wide tree protectors, and a carry bag. With a 5-ton break strength that supports up to 300 lbs, it’s built for reliable, long-term outdoor use. Secure your slack lines between trees to create an exciting slack line kids will love. The included balance line helps beginners build confidence, while the twin-gear ratchets offer easy tension control. Use it as a slackline zipline substitute, climbing rope for kids, or tight rope line for kids to develop balance, coordination, and strength. This set also doubles as kids outdoor play equipment or an obstacle course for kids 8-12. Whether you're setting up slacklines for backyard for kids or adding to your outdoor gear collection with tree climbing gear, this kit fits seamlessly. Works well with zipline kits for backyard setups and other backyard challenges. Includes: one slackline (57 ft), one training line, two ratchets, one arm trainer, two tree protectors, one ratchet cover, and a storage bag. Great for slackline for kids, slacklines for backyard for adults, and those searching for a slack line kids can grow with. Also suitable as a zip line alternative or to pair with a slackline board or slackine setup.