Parents swarmed the retailer’s social media to complain of queues, customers hoarding stock and items selling out.
The suits, which usually retail at $24.95, were selling at the bargain price of $11.99.
The range is notorious for its sell-on value with some suits selling for hundreds in secondary markets. One Strawberry ‘Zippy Wondersuit’ sold on eBay for more than $200 after 36 bids on Wednesday night.
The sale began when Aldi's doors opened on Wednesday morning, but many parents complained the suits had sold out only hours later.