Product Overview
Slackers Ninjaline 15' Extension – Add-On for Backyard Ninjalines
Take your Slackers Ninjaline to the next level with the 15' Extension, designed to increase the length of your Ninjaline course and provide more space for obstacles and fun. Perfect for larger backyards or trees spaced further apart, this extension allows you to add new challenges while keeping kids active and engaged.
Durable and easy to install, the extension features reinforced loops with stainless steel safety carabiners and six sewn-in pockets for attaching additional Ninjaline obstacles.
Features & Benefits
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15-foot Ninjaline extension to lengthen your course
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2” wide high-strength webbing for safe and durable use
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Reinforced loops with stainless steel safety carabiners on each end
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Six sewn-in pockets for adding extra Ninjaline obstacles
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Perfect for trees spaced further apart or larger backyard setups
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Compatible with all Slackers Ninjaline kits
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Ninjaline accessories sold separately
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Designed for ages 5+
Why Families & Kids Love It
✔ Extend your Ninjaline by 15 feet for added fun and challenge
✔ Create custom backyard obstacle courses with more obstacles
✔ Safe, durable, and built for outdoor play and active kids
✔ Compatible with 36’ and 56’ Ninjaline Intro Kits
✔ Encourages balance, coordination, and active outdoor fun
Perfect For
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Ages 5+
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Extending Ninjaline obstacle courses
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Adding more challenges and space between obstacles
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Creating custom backyard obstacle adventures
Product Details
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Length: 15’
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Width: 2”
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Material: Reinforced webbing with stainless steel carabiners
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Pockets: 6 sewn-in pockets for additional obstacles
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Recommended Age: 5+
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Use: Ninjaline course extension (accessories sold separately)
The Slackers Ninjaline 15' Extension is a durable and versatile add-on that allows kids ages 5+ to expand their Ninjaline course, challenge themselves with additional obstacles, and enjoy hours of backyard active play.
