12 foot sunken trampoline
12ft Round Trampoline – Capital In-Ground Trampoline Kit – Green
November 19, 2018
10ft round in ground trampoline
10ft Round – Capital In-Ground Trampoline Kit – Green
November 19, 2018
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12ft Round Trampoline – Capitol In-Ground Trampoline Kit – Gray


Our 12ft round in-ground trampoline is a great mid-size trampoline and a good choice if you have older, more adventurous children! Our innovative Capital Play Trampoline design comes with everything you need and is the highest specification for in-ground trampolines on the market. In-ground trampolines are better for your landscaping and can be safer overall. With 12ft of trampoline space, you can give your kids the gift of endless fun as they bounce high into the air and try out a variety of tricks, as they’ll have all the room they need to show off. But, if they get too ambitious, you can easily add a net to keep their spins and flips in place. Plus, we offer a DIY trampoline installation guide which includes step-by-step instructions.

In stock and shipping daily


12ft Round Trampoline Kit with Enclosure

How Do You Know if a 12ft Trampoline is Right for Your Family?

Small trampolines have weight and size limits, which means only young children can enjoy them, and this leads to a short-term investment. To keep your child entertained for years, it’s far better to invest in a 12ft in-ground trampoline because they will not outgrow it. The 12ft trampoline is a perfect size because it won’t dominate your yard, but it will provide ample coverage and support for your kids to have a blast!

The 12ft Round Trampoline: An Innovative, Safer, and Complete Trampoline

  • A complete kit – Our Capital Play, which is the manufacturer, 12ft trampoline kit comes with the trampoline, pads, purpose-built retaining wall (which stops the soil falling back into the hole), and clear instructions. The beauty of an in-ground trampoline is that you don’t need a net at all. Nevertheless, we offer a range of net options, including full, half, and quarter nets, to suit your family’s needs.
  • Quality bounce – Our In-ground Trampolines have an excellent bounce. We only use high quality commercial grade springs
  • Great fun – Owning a trampoline is a sure way to get the kids outside and away from those screens!

An Innovative and Safer Trampoline

  • Innovative technology- Our 12ft round in-ground trampoline kit uses special TDU vented pads, which allows the air to escape up between the springs and literally through the safety padding. The vented pads allow air to pass through the actual jump-mat itself, therefore removing the issue of resistance against trapped air, giving a quieter and better bounce.
  • Safer to use – In-ground trampolines are safer than regular trampolines because they’re flush-to-the-ground. The trampolines are not raised above the ground and do not need to be accessed by a ladder. Therefore, parents have peace of mind when they let their kids loose on an in-ground trampoline. There’s no worrying about young children falling from an elevated surface.
  • A trampoline built to last – We’ve designed our 12ft in ground trampoline and frame to be in the ground for a long time. With a combination of a heavy duty galvanised steel frame, longer commercial grade springs and Polypropylene Jump Mat you can be sure you’re getting a quality product that will last for years.

The Highest Quality Trampoline for Long-Lasting Fun

Our 12ft trampoline is made with the best materials that are chosen for their longevity and strength. We’ve designed our 12ft in-ground trampoline and frame to be in the ground for a long time. With a combination of a heavy-duty galvanized steel frame, longer commercial grade springs, and polypropylene jump mat, you can be sure you’re getting a quality product that will last for years to come.

Your trampoline won’t rust or degrade, and the bounce will continue to be as epic as ever. If you ever do need a replacement part, we have you covered, as your trampoline’s warranties are extensive covering you from 2 to 10 years, depending on the part.

  • Sturdy Galvanized Steel Frame. The galvanized steel frame is designed to support your kids for years as they grow into teenagers. The frame is rust-resistant and sturdy, but are also covered by a 10-year warranty.
  • 4mm Recycled Plastic Retainer Wall. The 4mm recycled plastic retaining wall means that you can maintain your yard and keep your trampoline safe from soil erosion.
  • Innovative Vented Safety Pads. These safety pads protect your kids from the springs, improve bounce, and reduce the noise of the trampoline. They are made with 30mm foam and ultra-tough PVC and come with a 2-year warranty.
  • Commercial Springs. We only use high-quality commercial-grade springs. Double-dipped galvanized commercial springs provide the ultimate bounce and are also rust-resistant. Their superior quality will allow your kids to enjoy excellent bouncing on their trampoline for years.

Steps for Installing Your In-ground Trampoline

Each Capital Play 12ft in-ground trampoline is designed for easy DIY installation with just a few simple steps:

  1. Frame Assembly
  2. Attach the Springs
  3. Stretch the Mat
  4. Assemble the Retaining Wall
  5. Dig and Prep Hole 90cm and 3.25m Across
  6. Insert the Trampoline
  7. Attach Vented Pads
  8. Done!

Your kit will come with comprehensive instructions, but if you need additional advice or guidance, our website offers some great videos, visuals, and tips for installation. Visit our DIY in-ground trampoline installation guide at DIY installation.

Buy Your Trampoline Today!

Our 12ft in-ground trampoline is a perfect investment for a small family who wants their kids to get off their screens and get exercising while having fun. Our 12 ft trampolines are safer, better looking, and work in almost every backyard seamlessly. It’s the perfect size allowing you to rest easy knowing your kids will have fun for many years!

Additional information
Choose Cover

12ft Trampoline Cover, No Cover

Choose Enclosure

12ft Full Enclosure, No Enclosure