Why do Lego toys have holes in their heads?

Lego Minifigures products are designed to allow air to move through if they are stuck in the child's throat.

Lego Minifigures.(Photo: fastcode sign)

Lego figures are one of the most famous toys in the world. What many people ask is why they are designed with a small hole in their heads. Some argue that that "mysterious" hole can be used to attach to a Lego brick, but no one wants to do it so far.

In fact, the answer is quite simple when Lego answered Gizmodo in a Q&A interview.

He said: 'We designed a small hole in Minifigure's head to allow Minifigure's head to be stuck in his throat when he could breathe.