This product comes from the Garden Grove, California location. Please note that each location carries different items so it may not be sold at your local Costco and some items are only sold for a limited time . Products also rotate throughout the year to make room for new products so items may no longer be sold at the time of your visit due to it being discontinued. Prices may also vary. Be sure to check with your local Costco for availability.
Disclaimer: This page is not in any way affiliated with Costco and all opinions are of my own.
Price as of 05/13/2021
Below are some comments and reviews on these La Vie Gourmand Birthday Cake Cups from other Costco members:
GOOD REVIEWS
“They great, and such a convenient size. Reusable mason jars with lid too 
“We just got these and my kids loved them! (They went insane bouncing off the walls after but loved them none-the-less)”
“I bought them this weekend and they were a big hit with my kids!”
“Omggg sooo goodddd”
“Kids loved them.My wife and I enjoyed them too.Definitely a must try, at least for the reusable jars.”
“Good but sweet using the jars as drinking glasses for kids”
“They are goodThe icing is more like whipped .Not too sweet and just the right size .”
“We got them in today and they’re great.”
“Literally bought these today! They’re so good!”
“Delicious”
“Shark Tank Product~ ordered on line …. delish”
“Birthday Cake in a jar 
BAD REVIEWS
“So we bought them and the kids wanted to eat themRight away. They tried them… enjoyed them for what they were but told me that I didn’t need to get any more. Not a big hit here…”
“I didn’t love the, neither did my son. It’s not frosting more like whipped cream.”
“Don’t love them.”
“I thought these were so dry 
“I wasn’t a fan”
“I thought these were just okay. Not good enough that I’d buy them again, but I love the jars they come in. The cake was rather dry to me, especially since the “frosting” is more of a whipped cream.”
“I bought this today and it was not moist. The cake crumbled everywhere.”