Everyday things with hidden features we didn’t know the purpose of

[post_page_title]Lego heads[/post_page_title]

Playing with Legos is a beloved pastime for both kids and adults, but what’s with the holes on top of the Lego heads? This is a safety feature that Lego came up with in order to prevent choking hazards in little kids.

Lego heads

If a child swallows one of these heads, the biggest concern is the blockage in their airways, which would cut off their breathing. Putting a hole inside the head ensures that air can flow freely through the Lego piece until it can be safely dislodged.

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