Walmart planned to host an in-store Baby Savings Day on Saturday, February 23, offering discounts on baby apparel, accessories, and equipment. These deals would also be available online throughout the rest of the month.

Some angry shoppers said that when they turned up to Walmart stores, sales assistants didn't know that the sales were happening.

Others said that discounts were "disappointing."

Walmart's Baby Savings Days event is being described as the "Fyre Festival" of sales.

The retailer planned to host a day-long sale on baby clothing, accessories, and equipment in select stores on Saturday, February 23. It also promised free goody bags. These deals are also being advertised online throughout the rest of the month.

In the run-up to the in-store event, there was some speculation as to whether this could become Walmart's mini version of Amazon Prime Day.

Read more: Amazon's Prime Day website glitches didn't stop it from setting record sales — but it was still a danger to the most important part of its business

But unfortunately, some shoppers said it didn't quite live up to the hype. Shoppers said discounts were "disappointing" and that in some cases, sales assistants didn't know the event was happening.

"False advertising by Walmart on Baby Savings Day," one angry customer wrote on Twitter. "No Markdowns, Dept. Manager did not know about sale and store manager was not willing to give 30% off as advertised by store intercom."

In a statement emailed to Business Insider, a spokesperson for Walmart said:

We are encouraged to see the excitement and positive demand surrounding the event. In addition to product demonstrations, we were excited to offer even lower prices on nearly 100 items in select stores, with hundreds more online. While nearly 3,000 stores participated, the demand surpassed even our expectations, and in some cases customer expectations were not met, and for that, we apologize. It's always our goal to provide customers a positive experience.

While some shoppers had a positive experience:

Others took social media to vent their frustration:

—Vaughn Day at a Time (@VaughnDAAT) February 23, 2019