Do you dream of balancing like a true ninja, walking across a wobbly line high above the ground? Many people want to try this cool challenge, but picking the right gear can feel like a maze. You see “Ninja Slackline” everywhere, but which one actually works best for training and fun? It’s tough to know which kits are safe, easy to set up, and will last a long time.
Choosing the wrong slackline can lead to frustration, wobbly setups, and maybe even a tumble! We understand the struggle of finding a line that fits your backyard and your skill level. Don’t worry; we have the answers you need.
This post cuts through the confusion. We will show you exactly what makes a great Ninja Slackline. You will learn about the best features, safety tips, and how to choose the perfect setup for your backyard adventures. Get ready to walk the line like a pro!
Top Ninja Slackline Recommendations
No. 1
Ninja Warrior Obstacle Course for Kids-Playground Fitness Equipment Ninja Slackline with Multiple Accessories for Kids,Contain Swings,Rope ladders,Rings,Ninja Couse for Kids Outside (2x56ft)
- 【Physical Fitness】 Ninja Course For Kids Outside is a multifunctional design. Learn to train like a ninja and build your home gym. Build core and overall strength and enhance self-confidence. As a real ninja, enjoy the fun and training with our Ninja slackline. Watch your children play in the air and release their inner warriors.
- 【Premium Quality】Perantlb Ninja Ropes Course for Kids is made of very durable slackline webbing and ratchet webbing, that can hold up to 440lbs. Our products have been tested by CPC, and you will feel completely relieved when using them.
- 【Portable and Easy to Adjust】 Ninja Course can be quickly and safely installed anywhere. All you need are two mature trees, posts, beams or crossbars that are 30-48 feet apart and can withstand a minimum force of 2200 lbs. Tighten or loosen the kids' slack lines, adjust the distance of the obstacles, make the challenge more difficult. You can install them in your backyard, playground, outdoors, home gym, basement, swimming pool, fitness classes, camping trips, beach parks and more.
- 【Protectors and Carry Bag】We advocate protecting nature so you will get tree protectors. Always use tree protectors when installing slackline because it will protect the trees and your Monkey Line. You will also get a closable bag so that you can store the gear and take it everywhere.
- 【Satisfaction Gurranteed】Our aim is to satisfy our customers. Regardless of any questions you have about the obstacle course for kids, please contact us immediately. We will definitely make you satisfied. All Perantlb 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.
No. 2
Trailblaze Ninja Warrior Obstacle Course for Kids - Ultimate Outdoor Fun 2x55 Ft Ninja Slackline Climbing Net Rope Ladder Trapeze Swing Monkey Bars - Durable and Safe Ninja Course for Kids Outside
- READY, SET, PLAY: Setting up our new and improved obstacle course for kids is child’s play! We design it to be quick and easy to set up. It’s customizable, too! Just change the order and spacing of the obstacles for varying levels of difficulty.
- ENHANCED GYMNASTICS BAR ACCESSORIES: This all-in-1 backyard obstacle course starter kit has improved strength and safety features. We want you to have all you need for your kids’ safe training and enjoyment—with tree protectors and a carry bag as well!
- PLAY AND TRAIN ON-THE-GO: Let your children have fun outdoors with our ultra-durable backyard obstacle course for kids. Set up this portable monkey obstacle course at the park, and let your future athletes enjoy fresh air and challenging activities with friends.
- PACKED WITH FITNESS BENEFITS: It goes beyond exciting adventures! Our extra-safe and secure playground improves one’s strength, balance, grip, control, and focus. A perfect balance between fun and fitness!
- DURABLE, PREMIUM QUALITY: We create our obstacle course gear with durability, strength, and your utmost safety in mind. Made with a premium ratchet, each sturdy ring can hold up to 330 pounds. The grip is rubberized, and the seat swing is made of heavy-duty and weatherproof PVC.
No. 3
Ninja Warrior Obstacle Course for Kids Backyard - 2×50ft Slackline Kit with 10 Most Complete Accessories for Boys & Girls, Swing, Rope Ladder, Gymnastic Ring, Climbing Net, Arm Trainer and Monkey Fist
- 𝗪𝗔𝗥𝗡𝗜𝗡𝗚 - Please check and make sure the accessories are assembled correctly before each use. Make sure all parts are in good condition before each use. Do not leave the product outdoors (especially exposed to the sun and rain) for an extended period, or store it while not completely air-dried, which may shorten its lifespan and result in use of safety issues
No. 4
Hyponix Ninja Obstacle Course for Kids – 2 x 60 ft Slacklines with 13 Weatherproof Obstacles – Monkey Net, Ratchet-Tight Tech, Supports 880 lbs – Climbing & Swinging Backyard Fun
- COMPLETE NINJA OBSTACLE COURSE FOR KIDS – A full set of ninja warrior training equipment for kids featuring 2 x 60 ft slacklines and 13 weatherproof obstacles like a monkey net, rings, rope knots, monkey bars, and more — promoting climbing, swinging, and balance skills for ninja kids who love outdoor toys and active play.
- HIGH WEIGHT CAPACITY FOR SAFE PLAY – Built to hold up to 880 lbs, this ninja obstacle course is strong enough for multiple ninja kids to enjoy at once. Designed for children ages 3 and up with adult supervision, it’s the perfect safe backyard outdoor toy.
- ENDLESS CONFIGURATIONS, EASY SETUP – Each obstacle (including monkey bars and climbing ropes) secures with steel carabiners for quick adjustments based on skill level. Use our Ratchet-Tight Technology to set up your ninja warrior training equipment for kids in minutes between two anchor points.
- WEATHERPROOF & DURABLE CONSTRUCTION – Built tough for outdoor backyard play in any season, with UV-resistant materials, reinforced nylon ropes, and heavy-duty steel hardware to keep your outdoor toys lasting longer.
- ENCOURAGES ACTIVE PLAY & CONFIDENCE – This ninja obstacle course for kids helps develop strength, coordination, and confidence while keeping screen time at bay — great for ninja kids’ birthday parties, backyard fitness, or everyday outdoor toy fun.
No. 5
Complete Ninja Slackline Kit - 60ft Long Slack Line for Backyard for Kids & Adults with Ratchet Straps, Wider Tree Protectors - Slackline Kit for Ninja Warrior Obstacle Course for Kids Outdoor Playset
- ACTION-PACKED FAMILY BONDING: Take your quality time with family to a whole new level with our heavy-duty slacklines. Have a little outdoor fun, and encourage your kids to develop their strength and confidence. Join them in a slackline challenge!
- ENHANCED SLACKLINE BEGINNER KIT: This all-in-1 ninja training gear for beginners and experts has improved strength and safety features. We want you to have all you need for your kids’ safe training and enjoyment—with tree protectors and a carry bag as well!
- PLAY AND TRAIN ON-THE-GO: Let your children have fun outdoors with our ultra-durable and hard-wearing slack lines for backyard for kids. Set up these portable slack line kits at the park, and let your future athletes enjoy fresh air and challenging activities with friends.
- PACKED WITH FITNESS BENEFITS: It goes beyond exciting adventures! Our extra-safe and secure slack lines for backyard for adults help improve one’s core strength, balance, coordination, and focus. A perfect balance between fun and fitness!
- DURABLE, PREMIUM QUALITY: We create our slackline for kids with durability, strength, and your utmost safety in mind. Made with premium ratchet and materials, our sturdy 60 feet long slackline can hold up to 330 pounds. It’s the longest slackline available on the market!
No. 6
Ninja Warrior Obstacle Course for Kids Backyard - 2×50ft Slackline Kit with 10 Most Complete Accessories for Boys & Girls, Swing, Rope Ladder, Gymnastic Ring, Climbing Net, Arm Trainer and Monkey Fist
- 𝗪𝗔𝗥𝗡𝗜𝗡𝗚 - Please check and make sure the accessories are assembled correctly before each use. Make sure all parts are in good condition before each use. Do not leave the product outdoors (especially exposed to the sun and rain) for an extended period, or store it while not completely air-dried, which may shorten its lifespan and result in use of safety issues
- 𝗕𝗘𝗖𝗢𝗠𝗘 𝗔 𝗥𝗘𝗔𝗟 𝗡𝗜𝗡𝗝𝗔 - Our ninja training courses are specially designed for kids over 4 years old. Ninja Line can be installed more than 10 obstacles, and also can be used as a training line ONLY to improve strength and balance. Get your kids OUTSIDE and Overcome obstacles course of different difficulty in the most fun ways. Warriors never afraid of difficulties
- 𝗔𝗗𝗝𝗨𝗦𝗧𝗔𝗕𝗟𝗘 𝗢𝗕𝗦𝗧𝗔𝗖𝗟𝗘𝗦 𝗗𝗜𝗦𝗧𝗔𝗡𝗖𝗘 -No Fixed Obstacles, No Fixed Distance, you could move the obstacles apart to whatever distance you want. Enjoy Endless Possibilities by Easily Customizing your obstacles in ANY ORDER and ANY DISTANCE apart to create an easier or harder challenge! Use friendly design with quick setup and takedown
- 𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗙𝗢𝗥 𝗔𝗟𝗟 𝗔𝗚𝗘𝗦 & 𝗟𝗘𝗩𝗘𝗟𝗦 -Whether you're a beginner slacklining for fun or a pro-athlet e looking to improve strength and balance, our ninja obstacles course is the perfect backyard challenge for ninjas of all levels. From Kids to Adults, and Beginners to Advanced. You could install it on your backyard, playground, home gym, basement, pool, fitness class, camping trip, beach park, etc. No More Worries about Your Kids' Health
- 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 - Dripex Monkey Line Obstacle Course is made of very durable slackline webbing and ratchet webbing, that can hold up to 400lbs. Our kit set include two 50ft slackline and 8ft ratchet line, 2 Monkey bar holds, 2 steel gym rings, 1 rope ladder, 1 free carry bag, 1 nylon rope knots, 1 swing, 1 climbing ladder, 17 hooks, 17 hanging buckles and 2 tree protectors. Our products have been tested by SGS, and you will feel completely relieved when using them
No. 7
Ninja Warrior Obstacle Course for Kids Backyard - 2×65ft Slackline Kit with 10 Most Complete Accessories for Boys & Girls, Swing, Rope Ladder, Gymnastic Ring, Climbing Net, Arm Trainer and Monkey Fist
- 𝗪𝗔𝗥𝗡𝗜𝗡𝗚 - Please check and make sure the accessories are assembled correctly before each use. Make sure all parts are in good condition before each use. Do not leave the product outdoors (especially exposed to the sun and rain) for an extended period, or store it while not completely air-dried, which may shorten its lifespan and result in use of safety issues
- 𝗕𝗘𝗖𝗢𝗠𝗘 𝗔 𝗥𝗘𝗔𝗟 𝗡𝗜𝗡𝗝𝗔 - Our ninja training courses are specially designed for kids over 4 years old. Ninja Line can be installed more than 10 obstacles, and also can be used as a training line ONLY to improve strength and balance. Get your kids OUTSIDE and Overcome obstacles course of different difficulty in the most fun ways. Warriors never afraid of difficulties
- 𝗔𝗗𝗝𝗨𝗦𝗧𝗔𝗕𝗟𝗘 𝗢𝗕𝗦𝗧𝗔𝗖𝗟𝗘𝗦 𝗗𝗜𝗦𝗧𝗔𝗡𝗖𝗘 -No Fixed Obstacles, No Fixed Distance, you could move the obstacles apart to whatever distance you want. Enjoy Endless Possibilities by Easily Customizing your obstacles in ANY ORDER and ANY DISTANCE apart to create an easier or harder challenge! Use friendly design with quick setup and takedown
- 𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗙𝗢𝗥 𝗔𝗟𝗟 𝗔𝗚𝗘𝗦 & 𝗟𝗘𝗩𝗘𝗟𝗦 -Whether you're a beginner slacklining for fun or a pro-athlet e looking to improve strength and balance, our ninja obstacles course is the perfect backyard challenge for ninjas of all levels. From Kids to Adults, and Beginners to Advanced. You could install it on your backyard, playground, home gym, basement, pool, fitness class, camping trip, beach park, etc. No More Worries about Your Kids' Health
- 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 - Dripex Monkey Line Obstacle Course is made of very durable slackline webbing and ratchet webbing, that can hold up to 400lbs. Our kit set include two 65ft slackline and 8ft ratchet line, 2 Monkey bar holds, 2 steel gym rings, 1 rope ladder, 1 free carry bag, 1 nylon rope knots, 1 swing, 1 climbing ladder, 19 hooks, 19 hanging buckles and 2 tree protectors. Our products have been tested by SGS, and you will feel completely relieved when using them
No. 8
Ninja Warrior Obstacle Course for Kids，60ft Ninja Slackline-with 8 Pcs Accessories,Tree Protector & Carry Bag Ninja Course for Kids Outside-Backyard Zip Line for Kids
- 【Physical Fitness】 Ninja Course for Kids Outside is more than just an obstacle Course. The root is a zip line that functions as a slack line. Kids love it.
- 【Premium Quality】Perantlb Ninja Warrior Obstacle Course is made of very durable slackline webbing and ratchet webbing, that can hold up to 440lbs. Our kit set include a 60ft slackline and 7ft ratchet line, 2 Monkey bar holds, 3 steel gym rings, a rope ladder, a free carry bag, 2 nylon rope knots, 10 hooks, 10 hanging buckles , 1 Triangle buckleand 2 tree protectors. All components are carefully tested for strength and durability.
- 【Convenient and Portable】Our obstacle course and zip lines for kids can be quickly and safely set up almost anywhere. All you need is two mature trees, pillars, beams or bars which are 15-52ft apart and can withstand a minimum force of 2200 pounds. You can install it on your backyard, playground, outdoor, home gym, basement, pool, fitness class, camping trip, beach park, etc.
- 【Tree Protectors and Carry Bag】We advocate protecting nature so you will get tree protectors . Always use tree protectors when installing Ninja SlackLine because it will protect the trees and your Monkey Line. You will also get a closable bag so that you can store the gear and take it everywhere.
- 【Satisfaction 】Our aim is to satisfy our customers. Regardless of any questions you have about the product, please contact-us immediately. We will definitely make you satisfied. All Perantlb products are backed by a promise, that if you are not fully satisfied with your ninja course accessories and zipline, we will work directly with you to make it right.
The Ultimate Buying Guide for Your Ninja Slackline Adventure
Ready to turn your backyard into an awesome ninja training ground? A slackline is a tightrope you walk on, and a Ninja Slackline adds fun obstacles to make it a real challenge. This guide helps you pick the perfect one!
Key Features to Look For
When you shop for a Ninja Slackline, these parts make the biggest difference in how much fun you have and how safe you stay.
1. The Line Itself
- Width: Standard slacklines are usually 2 inches wide. For beginners, a wider line (like 2 inches) is easier to balance on. Ninja lines often have built-in obstacles, so check if the main line is flat or round.
- Length and Weight Limit: Measure the space between your two anchor points (usually trees). Lines come in different lengths (25 ft, 50 ft, etc.). Always check the weight limit! A stronger line handles heavier users and rough play better.
2. Obstacles and Attachments
This is what makes it a “Ninja” line! Look at what extras come included:
- Grips and Knots: See how many knots, hanging rings, or monkey fists are included. More obstacles equal more fun training!
- Easy Setup: Good sets use strong ratchets that make tightening the line simple. Look for systems that let you add or remove obstacles without taking the whole line down.
3. Safety Gear
Safety is super important. Never buy a set without these:
- Ratchet System: This tightens the line. Make sure the ratchet has a strong locking mechanism.
- Tree Protectors: These are pads that wrap around the tree trunks. They stop the line from digging into the bark and hurting the tree.
Important Materials
The materials used determine the line’s strength and how long it lasts outside.
Webbing Material
Most quality slacklines use strong nylon or polyester webbing. Polyester is often better because it resists stretching and damage from the sun (UV rays).
Hardware Strength
The metal parts—the ratchet, carabiners, and anchors—should be made of strong, rust-resistant steel. Heavy-duty steel ensures that the hardware will not break under pressure.
Factors That Improve or Reduce Quality
A few simple things separate a great line from a frustrating one.
Quality Boosters:
- High Strength Rating: A line rated for 500 lbs or more is usually built with better materials.
- Durable Stitching: Look closely at where the webbing connects to the metal loops. Strong, neat stitching means the line holds up longer.
Quality Reducers:
- Thin Webbing: If the line feels too thin or flimsy, it might not handle the strain of swinging obstacles.
- Plastic Ratchets: Avoid ratchets that use a lot of plastic parts. Metal ratchets last much longer and are safer.
User Experience and Use Cases
Think about who will use the line and where you will set it up.
For Beginners:
New users should choose a beginner set. These often have a lower, wider line that is easier to stand on. They usually come with a training line—a second, lower rope to hold onto while learning to balance.
For Advanced Ninjas:
If you are already good at balancing, look for lines that allow you to easily adjust the tension. Highly tense lines (very tight) are faster and harder to walk. These sets let you customize the obstacle placement for harder workouts.
Best Use Cases:
- Backyard obstacle courses.
- Outdoor fitness and core strength training.
- Fun family activities between two sturdy trees.
10 Frequently Asked Questions (FAQ) About Ninja Slacklines
Q: What is the main difference between a regular slackline and a Ninja Slackline?
A: A regular slackline is just a flat rope for walking. A Ninja Slackline adds extra things like monkey bars, rings, and climbing holds above or below the main line for a full obstacle course.
Q: How high should I hang my Ninja Slackline?
A: For safety, beginners should set the line only 1 to 3 feet off the ground. As you get better, you can raise it higher, but never higher than you are comfortable falling from.
Q: Do I need special tools to install a Ninja Slackline?
A: No. Most good sets come with a ratchet system. You use the ratchet handle to tighten the line between two trees. Tree protectors are usually included too.
Q: Are Ninja Slacklines safe for kids?
A: Yes, they are safe if you follow the instructions. Always use low heights for kids, and an adult should supervise them while they play.
Q: What kind of trees work best for setting up the line?
A: You need two healthy, mature trees. The trunk should be at least 12 inches thick where you wrap the anchors. Avoid dead or weak-looking trees.
Q: Can I use a Ninja Slackline between two posts instead of trees?
A: Yes, but the posts must be very strong and deeply set in concrete. Slacklines create a lot of pulling force, so weak posts will fall over.
Q: How do I keep my slackline from getting damaged outside?
A: Always take the line down when you are finished using it, especially if rain or strong sun is expected. Store it indoors where it stays dry.
Q: What is a “training line” and do I need one?
A: A training line is a second, lower rope set up parallel to the main line. Beginners use it to hold onto for balance until they can walk the main line alone.
Q: How much tension should I put on the line?
A: For beginners, the line should have some sag (a little dip in the middle) when you stand on it. Too tight, and it becomes very hard to balance.
Q: What is the typical weight limit for a good quality set?
A: Most quality Ninja Slackline kits can safely hold between 300 and 500 pounds. Always check the specific product’s rating before buying.