Here's what I did recently, that kept my little guy busy for a while!
The pile of noodles that I used:
I shaped each noodle into an arch and secured them between the couch, the ottoman, and an end table:
Covered them with a sheet and blanket:
Here's what it looked like inside:
My husband brought home a pallet from work and inserted small pieces of wood into each of the spaces.
I had started saving various bottles and containers a while ago, even before we started building the wall. So many containers that my husband started asking me what I was doing with them and when this project was going to happen!
The husband helped me secure a few of the pieces to the wall, cutting off the bottom so water could spill into the next one. In others, we drilled a couple of holes so water could go out of a couple places into others.
Then I got to worked attaching the rest of the bottles, creating various paths water could flow into one another. At the top of the pallet, we attached a Y hose spigot with a manual shut off, so our garden hose could attached to the back of it and two mini hoses (the yellow and blue things in the pictures below) could be clamped on to each spigot.
These mini hoses really are the best thing about the wall, it's way more fun having constant water flowing out that kids can control vs. pouring water in manually.
Then voila! Look how much fun those two are having!