This review has been updated 12 times since it was first published in December of 2018. American Ninja Warrior has taken the country by storm. What started as an obscure Japanese tournament has garnered a near-fanatical following of people who hope to one day conquer the challenging Mount Midoriyama. These ninja lines can help kids begin their training at a young age. Even those who don’t aspire to one day be on the show will find these a fun, healthy and engaging activity. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Review.

7. Ivation Portable
Whether you are a gymnast, a serious athlete, or a hyper tyke who needs to expend some excess energy, the Ivation Portable (around $89) can help. You can customize the placement of the obstacles and the distance between them for endless hours of fun.
- Stands up well to uv exposure
- Installs in less than 20 minutes
- Doesn't come with a storage bag

6. Packgout Warrior Training Course
The Packgout Warrior Training Course (about $63) is one of the most affordable options on the market, yet still comes with a 45-foot slackline and seven hanging grips. It is best for younger kids, though, as some of the components don’t seem overly sturdy.
- Can add additional obstacles
- Line length is adjustable
- Rings are coated with rubber

5. Jungle Highline
The Jungle Highline (about $80) can be customized to suit a variety of skill levels, allowing you to make it harder as your child gets stronger. Along with the rope and all the obstacles, it includes tree protectors to ensure you don’t cause any damage.
- Motivates kids to play outside
- Great for birthday parties
- Double stitched for durability


4. Kino Strong Training Course
The Kino Strong Training Course (appx. $95) features a handy ratchet system that allows it to be set up quickly anywhere that has two trees, posts, or pillars between 20 and 35 feet apart. This way you can practice in a park, the backyard, or even while camping.
- Includes an 80-inch climbing rope
- A standing and hanging bar
- Rust-resistant steel carabiners

3. Slackers Intro
The Slackers Intro (around $199) gives you the versatility to train like the athletes you see on the show. Not only will it help you build core and arm strength, but it is also a great confidence booster for kids. Plus, it comes with more obstacles than almost any other option.
- Smooth-sanded monkey bars
- Forgiving rope knots
- Challenging spinning wheel

2. Slackers Pro
The Slackers Pro (around $80) comes with three cannonball grips, two cones, and two straight pipes, all of which are crafted from a sturdy, long-lasting resin. The kit is endorsed by Brian Arnold, who competed in seven Warrior tournaments.
- Easy to install and remove quickly
- Adjustable obstacle distance
- Includes a storage bag

1. American Ninja Warrior Deluxe
The American Ninja Warrior Deluxe (about $120) is made by the company that popularized extreme obstacle courses and inspired thousands to train their bodies to conquer Mount Midoriyama. The included 34-foot line has a total of nine pockets to hang items from.
- Supports up to 250 pounds
- Comes with a chalk bag
- Doubles as a slackline

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