LEGO engineering challenges offer a unique opportunity for kids and adults alike to unleash their creativity while honing their problem-solving skills. Let’s explore three exciting challenges: building a tower, constructing a bridge, and city planning using LEGO bricks. Plus, look for the free printables to guide you through each challenge!

3 LEGO Engineering Challenges for Kids
Below are free printable outlines for three fun LEGO challenges. These challenges use the bricks and pieces you already have available, plus a little creativity and problem-solving.
💡These LEGO challenges can be repeated often to explore new building techniques and engineering designs.
LEGO Engineering #1: Tower Challenge
The tower challenge is a classic test of engineering prowess. Participants are tasked with building the tallest tower possible using only LEGO bricks. However, it’s not just about height; stability is key. Be an architect and a structural engineer for a day!
What is an architect and a structural engineer?
Architects and structural engineers are the primary professionals involved in designing and constructing towers or skyscrapers.
Architects: Architects are responsible for towers or skyscrapers’ overall design and aesthetic appearance. They work closely with clients to understand their needs and vision for the building and then develop design concepts that meet functional requirements while incorporating elements of creativity and innovation. Architects consider building use, spatial layout, exterior appearance, and sustainability features when designing towers or skyscrapers.
Structural Engineers: Structural engineers are crucial in ensuring towers or skyscrapers’ structural integrity and safety. They collaborate with architects to translate design concepts into practical, buildable structures. Structural engineers analyze the forces and loads that will act on the building, determine appropriate structural systems and materials, and design the framework and foundation to support the building’s weight and resist external forces such as wind and earthquakes.
💡TIP: Depending on age group and ability, provide guidelines for height restrictions, base dimensions, and stability requirements.

LEGO Engineering #2: Bridge Challenge
Bridges are marvels of engineering, requiring careful planning and precision. In the bridge challenge, participants construct a bridge that can support the weight of designated objects or just the ability to span a wide gap. Act as a civil engineer and design a sturdy bridge!
What is a Civil Engineer?
A civil engineer typically designs and builds bridges. Civil engineers are responsible for planning, designing, constructing, and maintaining infrastructure projects such as bridges, roads, buildings, and airports. They use their expertise in structural engineering to ensure that bridges are safe, functional, and able to withstand various loads and environmental conditions.
Civil engineers work closely with architects, construction managers, and other professionals to bring bridge projects from concept to completion, adhering to safety standards and regulatory requirements.
💡TIP: Provide specifications for span length, load capacity, and materials allowed, encouraging participants to think critically about bridge design and construction. You can find an additional bridge challenge here with images.

LEGO Engineering #3: City Planning
City planning is a complex endeavor that involves balancing various factors, such as infrastructure, transportation, and aesthetics. In this city planning challenge, participants act as urban planners, designing and building their LEGO city.
What is an Urban Planner:
An urban planner designs and organizes the development of cities and communities. They analyze population growth, land use, transportation, infrastructure, and environmental sustainability to create plans that optimize the functionality, aesthetics, and quality of life within urban areas.
💡TIP: This challenge can easily last weeks! Provide guidelines for zoning, road layout, public spaces, and more, prompting participants to consider the needs of their imaginary inhabitants while creating a functional and aesthetically pleasing cityscape.

Free Printable LEGO Engineering Challenges
Grab the three free printables outlining each of the LEGO engineering projects. Each printable includes the following sections:
💡 NOTE: While some groups may only have 30-45 minutes available, these engineering projects or challenges can easily last for hours if time allows.
Benefits of LEGO Engineering Challenges:
Promotes creativity: LEGO engineering challenges encourage participants to think outside the box and develop innovative solutions to design problems.
Develops problem-solving skills: Through hands-on experimentation, participants learn to analyze problems and devise effective solutions, from structural stability to load-bearing capacity.
Fosters teamwork and collaboration: Working together on LEGO engineering challenges promotes teamwork and collaboration as participants brainstorm ideas, share resources, and overcome obstacles.
Encourages STEM learning: LEGO engineering challenges provide a fun and engaging way to explore concepts in science, technology, engineering, and mathematics (STEM) while building practical skills applicable to real-world contexts.
Tips for Sourcing LEGO Bricks and Pieces:
LEGO engineering challenges offer a fun and educational way to explore engineering and design principles. Whether you’re building towering skyscrapers, sturdy bridges, or bustling cityscapes, the only limit is your imagination. So gather your LEGO bricks, download our free printables, and embark on an exciting journey of creativity and discovery!
Extra Engineering Resources
Here are a few resources to help you introduce engineering more effectively to your kiddos or students and feel confident when presenting materials. You’ll find helpful free printables throughout.
- Engineering Design Process Explained
- What Is An Engineer?
- Engineering Words
- Questions for Reflection (get them talking about it!)
- 14 Engineering Books for Kids
- Jr. Engineer Challenge Calendar (Free)
- Join us in the Club
More LEGO Challenges for STEM



Printable LEGO Brick Building Project Pack
Grab the whole Brick Building Fun Pack in our SHOP
All of our printable LEGO challenges and exclusive activities are here. 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!










