A free Printable 30-day LEGO challenge calendar to use anytime during the year. Print it out, hang it up, and give it to your kids. Feel inspired and take your LEGO building time in a new direction. I have written out 31 Days of fun LEGO challenge ideas using bricks you already have. Hopefully, it will get you thinking of new ways to use those special pieces that don’t see much action. We love kids’ LEGO activities!


What Are LEGO Challenges?

LEGO Challenges are simple building prompts designed to encourage creativity, problem-solving, and critical thinking. They present open-ended problems or challenges without providing explicit step-by-step instructions.

Challenge cards are suitable for fostering creativity and independent thinking in STEM, as they encourage students to find their own unique solutions to problems.

Get the printable LEGO challenge calendar below for great activities to keep the kids busy after school, on camp, during school vacation, or when they are stuck inside!

Although these LEGO challenge ideas provide a bit of structure, there is tons of room for creativity, imagination, and design for your kids. It makes a great boredom buster for screen-free fun!

Get your FREE printable LEGO challenges calendar!

Don’t know what to build with your LEGO? Need some fresh inspiration? Grab the free LEGO calendar of ideas and get started right away!

LEGO Habitat Challenges

A new favorite building challenge style among kids and adults is called the Habitat (Stack) Challenge! This challenge starts with a specific setup of a two-sided diorama base with specific dimensions. Then, you challenge yourself to make a specific theme and stack them up!

More Easy LEGO Builds For Kids

We try not to use many fancy pieces if at all, so anyone can have a go at these LEGO ideas at home. Discovering how to use the LEGO pieces you already have to make something cool is a great skill for kids to learn early on. You don’t always need more of something. Instead, you need to use your imagination and work with what you already have!

Click the links below for inspiration or directions to build some of our coolest LEGO challenges. Remember, our pictures are just a guide to get you started with the pieces you have available.

Make a LEGO Catapult

A fun and easy way to explore physics, a LEGO catapult can provide hands-on learning for potential energy, kinetic energy, and more! Start with a safe internet search to check out different types of catapults or trebuchets!

Make a LEGO Balloon Car

Time to see Newton’s 3 Laws of Motion in action with a LEGO balloon car! This is always a blast, no pun intended!

Build a LEGO Zip Line

Gravity makes thing go! Kids of all ages will love this cool LEGO zip line challenge. It’s up to you whether you grab a simple pulley to add or not!

Make an Erupting LEGO Volcano

What do you get when you combine baking soda and vinegar with LEGO? A cool chemistry project for kids that’s what! Take this LEGO volcano outside or place it in a plastic tub inside.

Build a LEGO Marble Run

Classic fun with a DIY LEGO marble run! All you need is a baseplate, a pile of bricks and pieces, and a marble to get started. You can make it as simple or complicated as you like!

LEGO Ice Melt Rescue

Help! Yo need to rescue the LEGO man from ice! Combine states of matter with LEGO fun with this LEGO ice melt activity

Play LEGO Paper Football

Learn about this fun paper football game and design your own goal standard to play with a friend! Fun rainy day activity.

Engineer LEGO Robots {no tech required}

Design and build mini LEGO robots as part of our LEGO screen-free coding activities! You can also grab these free LEGO robot coloring pages!


Paint a Cityscape with LEGO

Combine art and LEGO with this fun process art technique to create an unique cityscape!

LEGO Puzzle with Piet Mondrian

Famous artist Piet Mondrian was known for his bright primary colors (black and white, too) as well as his bold geometric designs. This simple LEGO mondrian art project is perfect inspiration!


Make a Monochromatic LEGO Mosaic

Get sorting to create a LEGO mosaic and learn about the monochromatic color scheme with this LEGO STEAM project!

Create a LEGO Self Portrait

Build yourself in LEGO with a brick-built LEGO self-portrait challenge! If you love creating unique self-portraits, here are a few more portrait activities to try.


Printable LEGO Brick Building Project Pack

Grab the whole Brick Building Fun Pack in our SHOP

All of our printable LEGO challenges as well as exclusive activities. Plus, you will be sent a new link anytime this bundle is updated.

  • 10O+ Brick theme learning activities in an e-book guide using the bricks you have on hand! Activities include literacy, math, science, art, STEM, and more!
  • Brick STEM activity challenges complete with instructions and examples such as a marble run, catapult, balloon car, and more.
  • Brick Building STEM Challenges and Task Cards keep kids busy! Includes animals, pirates, space, and monsters!
  • Landmark Challenge Cards: Virtual tours and facts to get kids building and exploring the world.
  • Habitat Challenge Cards: Take the challenge and build your own creative animals in their habitats
  • Brick theme I-Spy and Bingo games are perfect for game day!
  • Screen-free coding activities with a brick theme. Learn about algorithms and binary code!
  • Explore mini-fig emotions and much more.
  • A complete year of Brick themed seasonal and holiday challenges and task cards
  • Brick Building Early learning pack filled with letters, numbers, and shapes!


  1. I have a nephew and he loves LEGOS… Thank you for sharing this 🙂

    I am sharing these resources for everyone who want to celebrate Earth Day 2017.

    Earth Day Activities
    , Earth Day Quotes ,
    Earth Day Slogans , Earth Day Poems
    , Earth Day Facts
    , Earth Day Images
    , Earth Day Projects

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  8. What a great idea! I love that LEGO encourages creativity and imagination, but when I sit down to play with it with my kids I find that we build the same things again and again. This is a great way of sparking our imaginations.

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  20. I stumbled upon your blog while looking for ideas to help my colleagues with Distant Learning Activities to share with their students. Your activities are very practical, thank you for sharing

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