This cube is very fun. It turns very fast, but it's a little disappointing that center piece caps will randomly pop out, especially at this price.
I had one fall out fresh out of the box, and it took some time to find it in my carpet. I've since had center piece caps pop off randomly while solving it at least 3 or 4 times. If you're going to transport it, be sure to put it in its original box or a sealed bag so that you do not lose pieces! Not safe for backpacks or duffel bags.
Also worth noting that the "no coating" option is a lot rougher than I expected at this price point. If I had seen it in person, I would have probably opted for the PVC coating, which I assume is standard on other MoYu cubes like the excellent 4x4 WRM.