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Foldable Climbing Triangle (Large)

Ships in 2-3 Days



Our large Foldable Climbing Triangle is the classic climbing triangle we’ve been making since 2004. Inspired by child development pioneer Emmi Pikler, the Climbing Triangle is one of the most versatile products in our inventory and of optimal size for wide range of ages.

Not only is it a lot of fun, it also helps develop a sense of balance and a wide range of gross motor skills, appropriate to their age.

Although the Climbing Triangle may look like a simple climbing frame, the usage is open to your child’s imagination. It’s a house or a tent, climb INSIDE of it, collaborating with another child on it etc. However you look at it, the Triangle will endlessly entertain a child, or at least until they get hungry.

  • baby climbing pikler triangle
  • child standing on top of pikler triangle
  • toddler climbing pikler triangle
  • kid hanging upside down from pikler triangle
  • toddler painting at childrens easel attached to pikler triangle
  • two kids climbing pikler triangles with ladder attaching them


  • The legs ate made from 13-ply Sustainable Formaldehyde-free Euro Birch which is both durable and attractive. 
  • Sealed with a Zero VOC UV cured finish. 
  • The rungs are solid hardwood.
  • 28"(L) x 35"(W) x 29"(H) [when open]
  • 28"(L) x 4.75"(W) x 33.5"(H) [when folded]
  • Weight is 13 lbs
best american made pikler triangle


Suitably aged for children up to about 5 years old
This product may be purchased unassembled or professionally assembled.
Tools and detailed instructions are provided.
RAD design, sturdy construction, attention to detail and quality of material
ensure safe use.
Automatic lock keeps the Triangle safely open
Our Triangles will easily support at least 100lbs per child.
Compatible with accessories:
Reversible Climbing Ramp, Hengstenberg Ladder and DeskEasel
Designed for indoor and outdoor use,
however, prolonged exposure to moisture and UV rays is not recommended.
Although our products are crafted to encourage exploration and free-form play, please never leave your child unattended to avoid injury.

  • Everything is handmade in our shop.
  • Shipping estimates are when an item will ship. In general, domestic shipments are in transit for 2 - 7 days.
  • Contiguous USA: Free Shipping on orders over $100
  • Los Angeles customers may choose to pickup from our shop. Select "Customer Pickup" during checkout to receive a discount on your order.
  • Hawaii, Alaska, and Canada: Shipping calculated at checkout

Customer Reviews

Based on 175 reviews
Lindsay E.

I bought this for me 17-month-old twins, and it's been a hit so far! They prefer to hang out underneath the triangle, especially when I lay a large blanket over it, but they've also climbed on it, though they don't climb to the top. I put it together with a power drill, and I really appreciated the drill bit that was included! The seller also includes an allen wrench, though, so you don't *have* to have a power drill. The trickiest part of the assembly was getting each side level once the dowels were inserted, but it only took a couple minutes of tweaking the tightness. I'd highly recommend this to anyone interested in a great gross motor activity for kiddos stuck inside like mine!

Lauren V.

Great construction. solid, well balanced, easy assembly instructions. a big hit with my son. He's only 8 months but this triangle will grow with him and I expect it to last for years to come.

Allison (Brooklyn, US)
My daughter loves it!

Got the large Pikler triangle as a holiday gift for my 16-month-old daughter. She loves it!! Had a little trouble assembling it, but the Rad team was readily available on a weekend to offer support. The foldable feature is very helpful as we live in an apartment. Highly recommend!!!

Meredith (Los Angeles, US)
Love our Pikler Triangle!

Great company! They were really fast and had great customer service. Our triangle and ramp are so well constructed and really a great addition to our playroom! I can’t recommend them enough.