Wooden/metal structure assembled on site (can be made into ANY SHAPE! as long as it is structurally secure to hold at least 5 rowdy people safely.

So me and my partner Kelly Lanphier create a little playground out of wood and metal, once it is complete and safe, Kelly begins to paint the entirety of the structure with beautiful glow in the dark paint and water colors, so when you and your fellow space cadets are playing on it, it gives the illusion that you are jumping and playing through the Galaxsea