
If you love Lego, you’ve probably built some of their sets by following their instructions – but maybe you’ve also used the pieces to invent your own crazy cars, castles, and moving animals. Someone else might want to build your idea, too. So Lego has a webpage where anyone like you can share what new sets they think Lego should sell. And as more people send in their creations, the Lego fun begins to really add up!

Bedtime Math fans Mikey and Mateo C. asked us, how many Lego bricks would it take to reach the top of the Empire State Building? Read on to do the math and see how the Lego stack up!

If there was a life-size house made of Legos, would you live in it? Well, we don’t know about living in it, but people were lining up to help build a real house of Legos for a British TV show. And good thing, too, because the house used over 3 million Lego bricks! Read on to see how the math quickly stacked up when building this big house with tiny bricks.

Whoever said you shouldn’t play with your food obviously never saw these Lego-shaped molds for chocolate. Read on to see how the numbers stack up with this delicious invention!

What’s the coolest car in town? We’d have to say it’s this life-sized car made out of Lego pieces. Read on to zoom through the math in this awesome Lego creation!

Someone is always building big new things out of Lego, and this Lego record is an exciting one: the world’s tallest Lego tower! But just how tall is it? Read on to find out – and see how the math stacks up.

K’Nex are pretty cool to begin with, but this world-record K’Nex structure is out of this world! With elevators, ramps, a ferris wheel and more, it’s easy to see how it is the largest K’Nex ball contraption. Read on to see it in action and get on a roll with the math.

Have you ever had a piggyback on someone’s shoulders? Now imagine being 5 or 6 people high and doing that! That’s similar to what people in Spain do every year when they build castells, or human towers. Read on to see how the numbers in people-stacking really, well, stack up.

Normally, skyscrapers are big buildings for which you have to reach your head really far back to see the top. But the Newby-McMahon “skyscraper” in Texas is a little different. Read on to find out why – and see how it can be really important to do the math when it comes to getting measurements right!

You’ve probably built with Lego before, but have you ever built with Lego cake? This is one cake that’s almost as much fun to make as it is to eat! Read on to discover the numbers in going big with Legos – and eat up the yummy math.