chicken tractor, hoop style

I showed our awesome "farm hand" an image of one of these and within 2 days he put this together for the hens! I was going to make one, but lets be honest, when in the heck do I have time for that, and 2, it would never have turned out like this! We will attach a tarp to the back for shade during the day and we will put them back to their regular coop for the night, I am afraid the raccoons will get them through here. We had raccoons tear thru chicken wire and eat 7 chicks onc...