Well, they have this awesome noodle forest and the first time I saw it I was already trying to figure out how to replicate it (in miniature).
Well, here you have it!

The whole family hanging our contraption.


I should probably mention now that this picture below is taken from the door. To the immediate right is
The Tree and Mailbox. And to the left is a short wall with a mirror hanging on it, and then as you turn the corner, that is the closet.
In this picture you can see the whole top side of the "Noodle Wall" with the
Super Simple Wall Hangings above and also a little bit of how we hung the thing.

And, in case you were wondering about the paint colors since they always seem to be changing - we have two walls that are green (the North and East) and two walls that are Orange (The South and West). It actually looks pretty cool, and was completely determined by what colors of "Ooops" paint we could get our hands on. :)
Want some details?:
We found pool noodles at Bashas for $.65 and that was by far the cheapest we saw including buying in bulk online. We have mostly those, but then had to break down and buy some Dollar Tree ones to finish the project. (Those are the shorter yellow ones.) There are a total of 34 noodles making this the most expensive playroom project by far.
We attached the noodles to some 2' by 4' peg board with some nylon rope that we strung through the noodles and the holes in the pegboard, tied in a knot and then burned the ends. We had to drill the holes in the pegboard a bit larger to accommodate the rope we used.
The peg board is attached to the roof with eyebolt screws. We were lucky to find some rafters in good positioning. There are also six eyebolt bolts in the pegboard. We started with the rope only on the ends, but then added the center support when we noticed a definite sag in the pegboard.
That's it. The hardest part was finding noodles!
Oh well. We are officially the coolest parents ever.