McDonald's reportedly bringing miniature versions of popular footwear to US Happy Meals

McDonald's and Crocs are teaming up again, according to Happy Meal tipsters.

Miniature versions of the popular footwear, in the form of keychain-like "clips," will be coming soon to Happy Meals in the U.S., Instagram food news account @snackolater says.

It appears the clips are already available in some markets, as people are selling full sets of 10 on eBay. The collectible keychains are being sold in Singapore, Lifestyle Asia reports. 

Photos show the minis in a variety of designs...