You can build skyscrapers, dragons and pirate ships with it, but it's a nightmare to step on! - Yep, we're talking about Lego!
This week's Big Question comes from Victor, age 6, and he wants to know: When and who invented Lego?
Turns out, it was around 60 years ago... Take a look at our video to find out more!
If you've got your own Big Question you would like us to answer, get in touch