--- product_id: 367999295 title: "Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+" brand: "slackers" price: "2052 kr" currency: DKK in_stock: false url: https://www.desertcart.dk/products/367999295-slackers-56-ultimate-ninjaline-obstacle-course-w-15ft-extension-includes store_origin: DK region: Denmark --- # Portable design 250 lbs capacity 15ft extension Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ **Brand:** slackers **Price:** 2052 kr **Availability:** ❌ Out of Stock ## Summary > 🌟 Elevate playtime—where every kid can be a ninja warrior! ## Quick Answers - **What is this?** Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ by slackers - **How much does it cost?** 2052 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/367999295-slackers-56-ultimate-ninjaline-obstacle-course-w-15ft-extension-includes) ## Best For - slackers enthusiasts ## Why This Product - Trusted slackers brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Setup:** Quickly install between trees or posts for instant fun. - • **Safety First:** Designed for ages 5+, ensuring safe play for your little warriors. - • **Versatile Fun:** Includes multiple obstacles for endless challenges. - • **Satisfaction Guaranteed:** We stand by our products—your ninja experience is our priority! - • **Unleash Your Inner Ninja:** Transform your backyard into an adventure zone! ## Overview The Slackers 56' Ultimate Ninjaline Obstacle Course is a comprehensive backyard gym designed for children aged 5 and up. It features a 15ft extension, a classic swing seat, and various obstacles, all while ensuring safety with a weight capacity of 250 lbs. Easy to install and portable, this kit promises hours of active fun and adventure. ## Description PLAY IN THE AIR...Slackers is a Colorado-based company whose goal is to inspire children to get active and stay healthy. Whether it's testing their strength with the Gym Rings, climbing to new heights on the Ninja Rope, or spinning on our signature Spinner Wheel, the slackers Ultimate Ninjaline Kit is an excellent option for improving strength and balance while aiding in your child's overall development.ACTIVE HEALTHY CHILDRENWith some of the challenges we have all experienced recently, we were able to see the true value of keeping our children active, fit and healthy. If you find yourself searching for an alternative to crowded parks or an avenue for your child to get active between schoolwork or after class, Slackers Ninja Lines create a fun at-home recess environment that will keep your child fit and healthy.Installation: Installing your Ninja Course takes one adults an average of 30 minutes or less using the provided signature ratchet system.Set Includes:1- Red 56' Slackers Ratchet Ninjaline w/ 15ft Extinsion Line2 Gym Rings1 Spinner Wheel2 Monkey Bars3 Ninja Fists1 Climbing Rope1 Wooden Swing Seat1 Ninja Twister1 Carry BagSpecs:Weight Limit: 250 lbs.Recommended Ages: 3 +The Slackers Ninjaline kit meets or exceeds all strict US safety standards.Parental Supervision is Recommended* ## Features - PLAY IN THE AIR - Have fun playing and training as a real ninja with our signature slackers Ninjaline. Create your very own backyard gym. Watch your children play in the air and unleash their warrior within. - CONVENIENT AND PORTABLE - With its versatile design, the slackers Ninjaline is easy to install and fun for all ages. Easily hang your Ninjaline between two healthy trees or wooden posts, attach your obstacles, and enjoy. - CLASSIC SWING SEAT - Each Slackers Ultimate Ninjaline Kit includes one of our signature Classic Wooden Swing Seats. Your children will love taking a break and swinging on this unique outdoor swing seat attachment. - SAFETY FIRST - Slackers focuses on creating safe, reliable obstacle course equipment, ideal for building up your inner ninja warrior. Our Ninjalines are rated ages 5+ and hold up to 250 LBS. Parental supervision is required. - PRODUCT GUARANTEE - All Slackers products are backed by a promise that if you are not fully satisfied with your ninja course accessories, we will work directly with you to make it right. ## Technical Specifications | Specification | Value | |---------------|-------| | Item Package Dimensions L x W x H | 24 x 15 x 14.75 inches | | Package Weight | 13.97 Kilograms | | Brand Name | Slackers | | Warranty Description | Manufacturer Defect | | Model Name | SLA.927AZ | | Color | Grey | | Material | Nylon | | Suggested Users | unisex-teen | | Manufacturer | b4Adventure | | Included Components | Ninjaline Kit | | Size | Extra Large | ## Images ![Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ - Image 1](https://m.media-amazon.com/images/I/71kiAfHbYDL.jpg) ![Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ - Image 2](https://m.media-amazon.com/images/I/91mfw9BFu3L.jpg) ![Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ - Image 3](https://m.media-amazon.com/images/I/81WpzGuPXfL.jpg) ![Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ - Image 4](https://m.media-amazon.com/images/I/91pP+by17ZL.jpg) ![Slackers 56' Ultimate Ninjaline Obstacle Course w/ 15ft Extension - Includes Intro Kit, Ninja Twister, Ninja Rope, Spinner Wheel, Ninja Buzzer, and More - Ninja Warrior Kit - Ninja Course - Ages 5+ - Image 5](https://m.media-amazon.com/images/I/8140COnDHzL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/367999295-slackers-56-ultimate-ninjaline-obstacle-course-w-15ft-extension-includes](https://www.desertcart.dk/products/367999295-slackers-56-ultimate-ninjaline-obstacle-course-w-15ft-extension-includes) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-05-09*