Crate training can be a pain. Sometimes you just want to put the crazy puppy in their crate, but still want to keep them near. Obviously, you can’t have a crate in every room of your house, so that’s where the Richell Mobile Pet Pen comes in! There are a lot of pet crates on the market, but this one combines form and function above the rest. Plus, there are so many other things you could use this thing for too. We’ll leave that part up to your imagination.