From DIY marble runs, to balloon-powered LEGO cars, to LEGO catapults, there are tons of STEM-inspired LEGO challenges for kids that are equal parts fun and educational, and I’m excited to share our favorites with you below!

Use these LEGO challenges to inspire new creations, drawing from your child’s imagination! These LEGO building challenge ideas for kids aren’t just limited to keeping children busy. Join in the fun with them and see what LEGO ideas you can each come up with!

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.

We put together a 30 Days of LEGO Play calendar. It's a great way to really challenge kids (or yourself) to create something new with their LEGO bricks!

Lego Building Challenges Feature. Inside the free PDF of Lego building challenges, you will find: 70 individual printable Lego challenge cards (on 7 pages that you can print and cut) 2 pages of challenge lists (that you can stick on a fridge/whiteboard for inspiration) blank cards to make more challenges