🍫The US offers eight different portion sizes of M&M's, while the UK has four.
🎨UK M&M's contain natural food colorings, while US M&M's use artificial colors.
🍭The US has a wider range of flavors, including peanut butter, fudge brownie, and pretzel.
🌎The UK has linguistic differences, like salted caramel instead of caramel.
🎉Both the UK and US offer seasonal and exclusive M&M's products, such as Valentine's Day flavors and chocolate bars.