I love that you’re allowing outside the box and reusing what you have to produce a great setup for your cravings! It sounds like a creative and resourceful idea, so let’s break it down.
Cedar Wood and Cravens
Cedar is not ideal for cranes, substantially because of its sweet canes that can be dangerous to their respiratory systems. These canvases are generally released as a smell and can irritate their lungs over time. Over time, exposure to cedar could lead to breathing problems, so it’s better to err on the side of caution. However, I'd suggest covering the cedar with commodity that doesn’t have the same sweet canvases, like plywood, if you’re using the cedar swing set structure. This will help minimize any implicit health pitfalls.
Still, it's presumably okay, but I’d still be conservative if it's a lower area that cravens will not be in direct contact with constantly.
Kiddies Playing on Top of the Run
As for the kids playing on top of the run, I don’t see an issue as long as you make sure the structure is solid and can support their weight. Since you’re using tackle cloth, which is very strong, just make sure the swing set is secure and can handle any weight added on top. You might want to support it or double-check that the top of the run won’t bow or collapse if they jump over there.
Still, you will want to make sure the cravens can’t escape or get stressed from the redundant activity. However, the cravens might get scarified, so you’d need to keep that in mind if the kiddies’ movements on top cause too much vibration or shaking.
The Run Floor
Since the bottom of the run will be open (not solid), be sure to check for any sharp edges or implicit hazards like nails that could hurt the cravens. A good idea would be to either put down clay, beach, or some form of easy-to-clean material that keeps the area dry and drains well. Some people use old carpet (with no poisonous chemicals) or rubber mats for easier cleaning, too.
A Few Other Tips
Ventilation: If you convert the cinema into the corral, make sure it’s well-ventilated. Cravens need a good tailwind to keep the air fresh and reduce the threat of respiratory issues, especially if you’re in a lower space.
Safety for kids: Keep an eye on the setup to make sure the kids don’t end up inadvertently disturbing the cravens or the cravens trying to escape through gaps in the line. Adding some kind of funk-proof hedge around the edges where the kids play could be helpful.
Overall, I suppose it’s a clever plan that could work well with a few variations! How are you thinking about setting up the corral and run—do you already have materials or a specific layout in mind?