Dripex Ninja Warrior Obstacle Course for Kids, 2×50ft Slack Lines for Backyard with 8 Ninja Accessories - Monkey Bar, Rope Ladder, Gymnastic Ring, Arm Trainer and Monkey Fist
My kids had been watching Ninja Warrior clips on YouTube for about a year before I gave in. The pitch was two 50-foot slacklines, eight accessories, one hundred feet of course strung between trees. I figured it would hold their attention for a week, maybe two. We bought it in early fall.
Two months later they're still going outside to use it. That surprised me enough that I figured it was worth writing down.
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## What's in the Box
Two slacklines and eight accessories: monkey bars, rope ladder, gymnastic rings, an arm trainer (a knotted rope you work hand-over-hand), a monkey fist (a knotted ball on a rope), a swing, a pull-up bar, and the carabiners and straps to hang everything. The accessories clip anywhere along the line and reposition in about 30 seconds.
The slacklines anchor to trees or posts with ratchet hardware — thread the strap, crank the lever, it cinches. First setup took me close to an hour. Second setup took twenty minutes. Most of that first hour was figuring out how tight to run the lines. Too loose and the accessories hang too low and swing weirdly. Too tight and I started worrying about the load on my oak trees. There's a middle tension that works. You find it through trial.
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## The Actual Setup
We ran both 50-foot lines in sequence between three trees, which gave us roughly 85 feet of course — you lose some to the wrap distance at each anchor. Parallel was an option but our yard isn't wide enough to make that feel like a real course rather than just two obstacles side by side.
Line height landed at about 6.5 feet for the main section, 5.5 feet on the shorter secondary where my five-year-old spends most of her time. Lower than that and taller kids drag their feet on the hanging accessories. The drop from 6.5 feet isn't nothing, which is part of why we added four inches of rubber mulch under the course before anyone went on it.
The accessory spacing matters more than I expected. The monkey bars and rope ladder placed too close together means you can't swing your body between them cleanly — you have to stop and regrip instead of flowing through. I moved things around twice the first week. Now the layout works.
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## The Accessories
The monkey fist gets used the most by a distance. It's a knotted ball at the end of a hanging rope. My five-year-old runs at it, grabs it, swings, drops, and does this for twenty minutes straight. My nine-year-old uses it as the payoff at the end of her circuit. My twelve-year-old uses it to work on his swing transfer technique, which is a thing he apparently has opinions about now.
The rope ladder is where my five-year-old learned to trust the course. Wide rungs, stable enough that she crosses it on her own without anyone spotting her. It was the first thing she'd do independently and it mattered — once she cracked that one, she started trying others.
The monkey bars are the problem piece, and I want to be direct about it. The grips are smooth metal. No texture. My nine-year-old lost her grip two weeks in and dropped straight down onto the mulch. She was fine, the mulch did its job, but after that I ordered grip gloves before anyone used the bars again. With gloves, she crosses them without issue. Without gloves, I wouldn't let her try. If you're buying this course, put grip gloves on the list the same day.
The gymnastic rings are harder than they look. I knew this from a gym context but didn't fully anticipate how much harder they'd be for kids who haven't built the shoulder stability for them. My twelve-year-old uses them regularly and his grip and upper-body strength have both improved noticeably. My nine-year-old can hang and swing forward but can't make real progress yet. She's working on it. The rings are probably the highest ceiling piece in the set.
The arm trainer is a knotted rope with grip points spaced along its length. You work hand-over-hand. I tried it my first weekend and my forearms were sore until Wednesday. The kids find it easier because they weigh sixty pounds less than I do, which felt unfair.
The pull-up bar mostly gets used by my twelve-year-old and occasionally by me when nobody's watching.
The swing is just a rope swing. It works exactly as expected. Good recovery point when a kid gets tired and wants to feel like they're still on the course without actually working.
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## After Two Months
The slacklines haven't frayed at the anchor points. The carabiners have some surface oxidation from rain but function fine. The rope accessories are still structurally solid, though the monkey fist rope has fuzzed up from two months of constant grabbing. The gymnastic rings started squeaking after about six weeks — a small amount of silicone lubricant on the carabiner fixed it immediately.
The ratchet hardware has stayed locked every session. I check the tension before the kids go on it, which takes about two minutes, and I don't skip it. That's not paranoia; the lines do stretch slightly over time and a check is just part of using it.
We had one significant windstorm in October. I took the accessories down before it hit and re-hung them after. The slacklines stayed up and were fine. I'd probably do the same again.
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## The Ground Surface Problem
This is the part the marketing doesn't emphasize enough. The accessories hang at 6 feet. Kids fall. Not every time, not even most times, but they fall. If your ground is hard-packed dirt, compacted grass, or anything unforgiving, that's the real risk variable — not the equipment.
We have rubber mulch now. It wasn't cheap and it took a weekend to lay it. Before we had it, I was much more anxious watching the kids use the course, especially the monkey bars. After we had it, I relaxed. Worth mentioning because the product listing shows kids over lawn with no apparent padding, and that's not how I'd set this up.
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## Who It Actually Works For
You need trees or fixed posts at reasonable spacing — two or three anchor points with at least 40 feet between them. Our yard is medium-sized and it fits, but barely. You also need to be willing to spend some time on initial setup and do a two-minute check before each use.
For age range: my five-year-old has several things she can do on her own and a couple more she can do with light spotting. My nine-year-old works a real circuit. My twelve-year-old is timing himself and researching ninja course progression online, which I did not anticipate but am choosing to support.
The course doesn't feel like it has an obvious ceiling yet for the older two. That matters more to me than I thought it would.
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## What I'd Change
Textured grips on the monkey bars. Some indication of weight limits on the accessories beyond what you can dig out of the spec sheet. A slightly better diagram in the instructions for initial line tension. None of these are dealbreakers.
The price point is in the range where you're not taking a huge gamble. If your yard works and your kids are in the right age range, the chance that this sits unused after two months is low. Mine haven't let that happen.