>>11502067"Exciting Macaron" are the original popular ones, and "Big Into Energy" are the current popular ones. "Have a Seat" are sort of popular too but they seem less hyped since they're in a different pose.
Each series are a set of blind boxes with different colors in it. These ones specifically are plush with a vinyl face/feet/hands and a keyring so you can wear it on a bag. Be careful when shopping because there are other kinds of Labubu blind boxes which come with small vinyl toys and those are NOT viral.
If you buy one through ebay you have a really high chance of getting a fake. You can also deliberately buy a fake from aliexpress; these are called Lafufu by fans, and are still popular, especially if you get a really weird one. Authentic ones are about 50, you can get a fake for about 25. You will not be able to buy a real one from the website or from a Popmart store, because resellers are buying them all.
The fakes vary a lot. Some are pretty passable, and some are ridiculously bad, with the entirely wrong body, bad paint, etc.
For a kid, I would suggest a Big Into Energy since it's the new hot shit. You can pick an opened listing but a little kid would probably want to unbox herself, so I suggest buying it closed. You don't know what color you get and you can't check the authenticity that well though.
The authenticity check is also apparently hacked, so you cannot use the site to confirm it's real, last time I checked. I don't know if this has been fixed yet.
I would suggest either shelling out for an authentic one, or, if you don't want to bother with it, get her a full case of fakes and let her go ham unboxing them. A full case will have every color and has a chance at the rare. I would be up front that they are Lafufu, she might be fine with that and just be excited to get so many. It's actually nice that the community still accepts fakes.