Gentle Booms Ninja Warrior Obstacle Course for Kids Backyard — 2×65 ft Slack Lines, 13 Accessories

Turn Your Backyard into a Ninja Academy

The Gentle Booms Ninja Warrior Obstacle Course for Kids Backyard blends energetic play with approachable challenge. Two parallel 65-foot slacklines open up space for sprinting, grip work, and balance drills, inviting kids and adults to explore movement together in a safe, family-friendly setting.

What’s Included and How It Performs

Designed to spark creativity and active exploration, the course features 13 ninja accessories that encourage a range of movements—from arm-strength demonstrations to precision footwork and balance traverses. The setup supports varied routines, so you can tailor the challenge to your yard and your team’s abilities.

• Monkey Bar
• Gymnastics Ring
• Monkey Fist
• Rope Ladder
• Disc Swing
• Swing Seat
• Ninja Wheel
• Ninja Ring
• Arm Trainer
• Balance Beam
• Climbing Rope
• Cargo Net
• Jump Platform

Materials, Safety, and Durability

Premium PE components paired with rust-resistant steel offer outdoors-ready performance. The system is tested to support up to 880 pounds, and the upgraded ONE-PIECE buckle with a coated finish provides a smooth, edge-free experience that helps reduce wear on the line.

All parts are finished with care to minimize sharp edges, contributing to a confident setup and consistent play experiences across seasons.

Easy Setup and Flexible Layout

Install between two trees or sturdy poles spaced 15 to 55 feet apart. You can rearrange the obstacle order and distance to adjust the level of challenge, from casual play to a more intense training circuit, making it a versatile backyard centerpiece.

Who Is This For?

Ideal for families seeking a playful outdoor activity and for growing athletes aiming to improve balance, coordination, and core engagement. The course adapts to different skill levels, offering a fun, low-pressure way to stay active outdoors.