The cube itself wouldn't be worth 14 bucks. You're paying a premium for the gimmick of it opening. That said, it is a surprisingly decent cube still.
The lock mechanism was pretty troubling to figure out. Opening it was easy - just press down on the white center cap and twist open. But closing is where I see a lot of the issues
IF YOU ARE TRYING TO CLOSE IT, DO NOT FORCE IT DOWN OR TWIST IT FURTHER.
just pull up the layer and it'll lock. I'm sure this is all explained in the instructions that are in chinese characters.