McNuggets are now sold in boxes of four, six, 10, 20 and 40 pieces. (Kiyoshi Ota/Bloomberg via Getty Images) A YouTube video posted in 2014 by McDonald's Canada offers a behind-the-scenes look at ...

McDonald's $12 Dinner Box — the bargain meal taking TikTok by storm — includes two Big Macs, two cheeseburgers, four fries, and ten Chicken McNuggets.

The company provided an answer on its website, writing, "The 4 shapes we make Chicken McNuggets in was the perfect equilibrium of dipability and fun. 3 would've been too few. 5 would've been, like ...