Here’s a collection of awesome LEGO building ideas that will inspire any LEGO® fan! This post is full of 100+ brick building challenges and instructions. Build characters, animals, machines, and more.

We love LEGO® bricks because of the open-ended fun and imagination they inspire! There are so many benefits to LEGO® building such as hand-eye coordination, logic, creativity, and problem solving.

This post was updated September 10, 2019

Here is how this post works. This post is a collection of LEGO building ideas, all in one place, but each one has its own separate blog post. See each project in more detail by clicking the links below.

LEGO® Machines and STEM Learning:

Build a LEGO Lock & Key Safe – Two ways to build a little LEGO box that actually opens with a key! Instructions in the post.

Build a Balloon Powered LEGO Car – Build a car that is propelled forward by air rushing out of a balloon. Great science project! This demonstrates Newton’s 3rd Law of Motion.

Build a LEGO Catapult (to shoot those little plastic LEGO balls, or something similar). Instructions in the post.

Engineering with LEGO and Water – Build a river with flowing water and a working waterwheel. Great for the warm weather months. (And it gets your LEGO clean at the same time – ha ha!)

Rocket Powered LEGO Car – This car is powered by an Alka Seltzer reaction inside a plastic bottle.

Rubber Band Powered LEGO Car – Build a car that is powered by a rubber band that you can wind up. Instructions in the post.

LEGO Marble Run – this marble run is truly epic! The post shows kids how to build some really neat features on their marble run, and there’s also a video demonstration.

LEGO Spinning Tops – this will keep kids busy for hours. Perfect to do with a group, as kids will enjoy making their tops “battle” each other!

Learn about Simple Machines with LEGO Pulleys – This project will allow kids to understand and feel the mechanical advantage that pulleys provide.

Build Wind Powered LEGO Contraptions – This was a favorite activity! Use an electric fan to power your LEGO creations.

LEGO Bridge Building Challenge

LEGO Demolition Derby – Fun!

Build a LEGO Balance – and actually compare the weights of items.

LEGO® Around the House

Make a LEGO Photo Frame – Use bricks to build a message on this fun frame! Simply begin with a wood craft frame. The post has all the details!

Build some LEGO night lights – these really light up! Use battery powered tea lights for a safe and fun option.

LEGO Desk Organizer – with a charging station!

Minifigure Cable Holders – For your phone charger, etc. These are so fun!

Build a LEGO Candy Dispenser – This machine really dispenses a little handful of M&M’s! One of our most popular projects ever.

Here’s another way to build a LEGO Candy Machine – this one dispenses Starbursts one at a time with a clever mechanism.

Build a LEGO Card Holder – to help young kids with card games. Love this idea from A Mom with a Lesson Plan.

Make a LEGO Mosaic Letter – fun for any LEGO fan’s room!

Build and Play with LEGO®

Make some Duct Tape LEGO Capes – perfect for replacing missing capes or adding accessories to any minifigure!

Stained Glass LEGO Challenge – this is one of my favorite building challenges! So pretty.

How to Build a LEGO Unicorn – so whimsical and fun! Instructions in the post, and there’s a parts list too!

How to Build a LEGO Yoda

How to Build a LEGO C3PO and R2-D2

LEGO Pictures – From Childhood 101. Love these!

How to Build LEGO Dogs – Hound type dog and Westie

More LEGO Dogs – Dachshund and Mastiff

How to Build LEGO Pandas – Pandas are some of my favorite animals!

How to Build LEGO Cats – Build posable cats that are so adorable! Instructions in the post.

Make a LEGO Zipline – from Little Bins for Little Hands

Build a LEGO Racetrack for Hot Wheels Cars – Release all the cars at once!

How to Build LEGO Minions – Another favorite! With instructions in the post.

LEGO Photography – Create hilarious or dramatic scenes with mini figures and then take pictures!

LEGO Hearts – from Little Bins for Little Hands

Inspired by Big Hero 6! LEGO Baymax Building Instructions

Inspired by How to Train Your Dragon – Toothless (Night Fury) Building Instructions

and Hookfang (Monstrous Nightmare) Building Instructions

20 LEGO Projects for Beginners – SO many fun LEGO® building ideas! Build a drum set, a piano, llamas, vehicles, and more.

17 Beginner LEGO Projects – All of these projects use pieces from the LEGO® Classic Creative Building Set.

20 Simple LEGO Projects – All of these projects use pieces from the Small and Medium LEGO® Classic Tubs, so this is a great way to get started with LEGO®! (Links to the tubs in the post.)

Build the Monarch Butterfly Life Cycle with LEGO

Build a LEGO track for Hexbugs – Favorite!

LEGO Ice Excavations from Lemon Lime Adventures

LEGO Nerf Targets – Combine two favorite toys with this fun building challenge!

LEGO® Games

LEGO Party Games – This is a great collection of realistic (not over-the-top Pinterest) ideas.

LEGO Family Fun Night from Not Consumed – simple games!

Printable LEGO Board Game from A Mom with a Lesson Plan

LEGO Tic Tac Toe from Kids Activities Blog. Turn it into a take-along kit by putting all the pieces in a bag!

Build a Board Game out of LEGOs – Design your own board game with a working game spinner. This is the perfect project for a rainy day!

Build a LEGO Chess Set – This is really cool!

Build a LEGO Skittles Game from Little Bins for Little Hands

LEGO Timed Building Challenges – Like Pictionary, but with LEGO®!

LEGO® Building Ideas for Holidays and Seasons

Build LEGO Chicks, Bunnies, and Butterflies – Adorable spring projects that are not difficult to build.

7 Ideas for a LEGO Easter Egg Hunt – These are fabulous ideas for an Easter egg hunt, especially if you want to keep it candy-free.

Spring LEGO Projects to Build

Fall Tree LEGO Wall Art

How to Build LEGO Snowflakes – there are so many ways to make these, and the designs are so beautiful. Perfect building challenge for a group.

LEGO Christmas Projects –

We have SO many LEGO Christmas building ideas! You can find most of them here, as well as a printable version: LEGO Christmas Ideas

Five Christmas LEGO Projects – with Building Instructions

This is my FAVORITE Christmas Countdown – Build a LEGO Advent Calendar with Doors that Open.

Three Ways to do a LEGO Advent Calendar – This was SO fun and might become a tradition at our house!

LEGO® Storage and Organization

DIY Wooden Crate Minifigure Display

This is our LEGO® table, and we love it! Find all the details here – IKEA Storage LEGO Table.

Affordable LEGO Organization from Little Bins for Little Hands

Cheap & Easy LEGO Storage from Happiness is Homemade. I like these little bins!

37 Genius LEGO Storage Ideas from Kids Activities Blog.

Magnetic Minifigure Display – I like this idea! The mini figures are magnets, but can also be taken down and played with anytime.

WHEW! That’s a lot of LEGO® ideas!

Also, be sure to check out our LEGO® book – Awesome LEGO Creations with Bricks You Already Have. This book makes a perfect Christmas or birthday gift, and it’s a great price for kids to take as a gift to a birthday party. The book is full of 50 new projects with parts lists and step-by-step instructions.

LEGO® is a trademark of the LEGO® group of companies which does not sponsor. authorize, or endorse this site.