Picture of FLEX™ 12ft Trampoline
WEEKEND BONUS!
Picture of FLEX™ 12ft Trampoline
Picture of FLEX™ 12ft Trampoline
mum and daughter playing on jumpflex trampoline
Picture of FLEX™ 12ft Trampoline

FLEX™ 12ft Trampoline

WEEKEND BONUS!

WEEKEND BONUS!

WEEKEND BONUS! FREE ANCHORKIT™ + Up to $250 off HERO™ trampolines! Limited time only. Don't miss out!
Afterpay
Free shipping

Free shipping*

Estimated Delivery

Estimated delivery End of June

Warranty

5 year warranty

Looking for the best value trampoline? The FLEX™ 12 ft Trampoline delivers the ideal mix of quality, safety, and unbeatable value, making it the top choice for families starting their backyard bouncing adventure.

With a 12 ft diameter and a generously sized jumping mat, it fits comfortably in medium-sized yards. Its sturdy frame supports up to 330 lbs, offering peace of mind while kids bounce, laugh, and grow in confidence.

Built for everyday fun and designed to last, the FLEX™ is the best starter trampoline for families who want safe, active play without breaking the bank.

* Free shipping exclusions may apply. For more information, see the Shipping Policy.

Real Reviews From Real Customers

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4.8 out of 5 star rating
4.8 star rating17,606 reviews
Justin C. Verified BuyerJune 11, 2025
5.0 out of 5 star rating
1 reviews
quick delivery, easy install, and the kids love it!
Lindsey W. Verified BuyerJune 11, 2025
5.0 out of 5 star rating
1 reviews
We have had the trampoline up for about a week now. I have two sons ages 7 and 11. They love it, and so do all the neighbor kids who come to play. It is very sturdy and I believe will hold up well. ...
Nicholas V. Verified BuyerJune 11, 2025
5.0 out of 5 star rating
1 reviews
Bought your Hero 15’ Trampoline on marketplace brand new. Needed an anchor kit. This kit is definitely worth the money. Wish there was more stakes!
Jason R. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
haven't used it yet.
Jay E. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
This kit made our new Mega 19' trampoline super secure and was easy to use. I knew I didn't have to worry about the anchor bending or snapping off during the install. We've had a couple of storms with...
Kevin H. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
All the pieces shipped. Study and final.
Kevin H. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
Boys are bouncing every day. They even helped with the assembly. That’s how easy it is.
Lori B. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
Awesome. Great looking. Easy to assemble
Lori B. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
What an awesome trampoline. Sturdy easy to assemble. Great matt for all tricks.
Travis S. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
Amazing and huge trampoline. High quality material and easy to put together. Family loves it. Thank you!
Travis S. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
Amazing trampoline. Everything is well made and easy to put together. Thank you!
katie E. Verified BuyerJune 10, 2025
5.0 out of 5 star rating
1 reviews
Easy to assemble, good quality, should last for years!

The perfect starter

The trampoline for a growing family

flex logo white

Our FLEX™ 12 ft trampoline has been built with young families in mind, delivering a great bouncing experience + full safety features + a great low price! Choose Jumpflex® and play for life!

jumpflex flex trampoline in garden
space between poles trampoline safety netting

More space between you and the poles

200% more clearance dramatically softens any pole contact

With our unique patented design, the poles curve away from the trampoline, so you can go crazy! Flip, spin, twirl and do all the stuff that makes bouncing so much fun, with less risk.

jumpflex anti-rust frame treatment video

Built to last

Protection from Mother Nature

As well as looking great in your backyard, Jumpflex™ 12 ft trampolines are designed to stand the test of time. Jumpflex™ metal components undergo a 6-layer rust-proofing and durability process.

All metal components are galvanized inside and out with a hard-wearing zinc coating. Visible sections are finished with a UV-resistant black powder coating. This ensures Jumpflex™ trampolines will remain a property feature you'll be proud of.

kids bouncing

330.8 lb total weight rating

Built for a growing family

Well-built trampolines equal bigger, smoother bouncing for your family. Good thing our new Jumpflex® FLEX™ 12 ft trampoline features our zero-bolt, zero-weld approach, that not only looks fantastic, but also improves frame strength and stability. This trampoline easily caters for a young family, handling up to a 330.8 lb load!

Total weight rating
330.8 lb
Max individual user weight
220 lb

Designed for safety

Built to last

We’ve made our 12 ft FLEX™ trampolines with safety in mind! Built to global safety certification standards: ASTM & CE, Jumpflex® trampolines are recognized as the ultimate in trampoline design.

360-degree protection

SafeSeal™ technology

360 degree trampoline safety net

Our 12 ft trampolines feature a 360-degree net safety enclosure to prevent the chance of accidents. Jumpflex® nets securely clip down to the jumping mat all the way around the trampoline. This unique SafeSeal™ system ensures that there is no possibility for kids to fall out of the trampoline enclosure accidentally.

trampoline safety net

A tight weave nylon safety net that’ll last

TightWeave™ technology

Our 12 ft trampolines are built to last, with nets made from 100% high-strength nylon and woven using the TightWeave™ system. A protective UV additive protects the nets against sun damage, allowing your new 12 ft trampoline to weather all seasons.

Grade 6 Intertek UV Testing
6
More durable than standard nets
250%
trampoline parts

World's first weld-free, bolt-free trampoline

Patented FrameFusion™ technology

Our 2024 model’s patented eco-friendly design has zero-bolts and no welds, meaning it takes half the assembly time of traditional trampolines.

FrameFusion™

T E C H N O L O G Y

Whatsmore, the way our engineers have designed the trampoline, means that less nasties are required in the manufacturing process, which makes our trampolines the most eco-friendly around, removing pollutants that can impact our trampoline builders and the environment.

5 Year Warranty

Play for life

Jumpflex® currently offers an awesome 5 year warranty on the FLEX™ frame, so years of carefree bouncing are guaranteed. We also have an excellent customer support team to assist you with any questions or concerns about your new 12 ft trampoline. So choose Jumpflex® and play for life!

jumpflex colorful balls

Dimensions / Specs

Image showing dimensions for the FLEX™ 12ft Trampoline
Yard space
13.5 ft diameter at widest point. 3 ft recommended free space around the trampoline.
Number of springs
70
Spring length
5.5 in
Total weight rating
330.8 lb
Frame tube diameter
1.7 in
Floor to mat height
2.9 ft
Trampoline height
8.9 ft
Box dimensions
  • Box 1 - 57 lb
    L: 48 in, W: 15 in, H: 10 in
  • Box 2 - 56 lb
    L: 46 in, W: 13 in, H: 7 in
  • Box 3 - 52 lb
    L: 41 in, W: 18 in, H: 8 in

Bring The Fun With Accessories!

projam jumpflex trampoline basketball hoop with sofft edges

PROJAM™

star rating0 reviews
$99.95
Picture of JUMPSLIDE™

JUMPSLIDE™

star rating0 reviews
$199.95
jumpflex smartshade trampoline sunshade and protective cover

SMARTSHADE™

star rating0 reviews
$49.95
Picture of ANCHORKIT™ PRO

ANCHORKIT™ PRO

star rating0 reviews
$44.95
Picture of ANCHORKIT™

ANCHORKIT™

star rating0 reviews
$34.95