Mind you that there aren't that many choices right now, but for what it does it's pretty solid. It comes pre-lubed like most Shengshou puzzles I know of. Plus has the bright fluorescent Shengshou sticker shades of blue, yellow, green and orange. Very visible even in low light and they really pop on black plastic too!

Each layer turns very smoothly and evenly, plus has corner cutting capabilities of about half a sticker, though not much reverse as this doesn't have the inner cut piece intersection angles of a regular Pyraminx. Said reverse has maybe.... a fifth of a sticker(?) or so (hard to measure), but go further and it'll want to forward turn the side you are trying to reverse cut like a gear or just not turn. So the reverse is pretty sufficient to prevent lockups.

It is not really prone to popping or weird lockups unless you have the tensions too loose. You'll know if you have them too loose as outer-edge pieces can slide out of their place into other areas, three edge pieces can pop at once (they all essentially hold each other in) or it will just feel really squishy as pieces flex rather than stay in place during turns/handling.

Interestingly it has no ball bearings/locking mechanism like most other Pyraminxes. You'd think that smooth sides would be pretty tricky to keep them aligned with the face angles and all, but the springs have a good amount of tension to keep them aligned. This includes the tips.

Very solid puzzle overall that is fun to solve as a result!