These things don't get boring. Even if you don't care about learning the (very fun) tricks, it's so versatile that there's a near infinite number of ways you can fiddle with it.
The only reason it's not a full 5* is because the plastic parts inside each ring rattles quite a bit. It's not a big deal, but it's annoyed me a few times. Still, it's super sturdy and feels like it will never break
