STEM LEGO Challenges With Free Printable

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By In The Playroom

These LEGO STEM activities are perfect for young builders and future engineers! Are you ready to dive into a world of imagination, innovation, and interlocking bricks? Our STEM LEGO Challenges are designed to spark creativity, teach problem-solving, and provide endless fun for kids at home or in the classroom.

Suitable for a range of ages, and split by difficulty level, these challenges can be easily adapted to suit your child’s abilities and interests, making learning an exciting adventure they’ll look forward to every day.

free printable LEGO STEM challenges for kids, split by difficulty level

The beauty of LEGO is its simplicity and versatility. With just a handful of bricks, your child can construct anything from a simple car to a complex robotic rover.

Our carefully crafted challenges are split into three difficulty levels: Easy, Moderate, and Hard, ensuring that there’s something for everyone, from the budding builder to the master constructor.

Using LEGO for STEM learning is a fantastic way to introduce concepts of engineering, physics, and mathematics in a tactile and visual way that children naturally gravitate towards.

It’s hands-on learning that feels more like play than education, making it perfect for both the classroom and the playroom at home.

Materials and Age Suitability

All you need to get started is a collection of LEGO bricks and the desire to build. These challenges are perfect for children aged 5 and up (although younger kids could give the easy challenges a try with some help), with the tasks growing in complexity to keep older kids engaged.

The activities are great for solo play but also encourage collaboration, making them ideal for siblings, playdates, or cooperative classroom projects.

These LEGO STEM challenges are also perfect for use in holiday clubs, summer camps, library programmes and so on.

lego stem activities

Instructions for LEGO STEM Challenge Activity

Our printables are designed to be user-friendly and straightforward. Here’s how to use them:

  1. Begin by downloading our free printables.
  2. Present the challenge options to your child and let them pick one that piques their interest.
  3. Fill out the ‘STEM LEGO Planning’ sheet with the chosen challenge, jotting down the materials needed and the steps planned to achieve the goal.
  4. Encourage your child to draw their design ideas in the ‘Draw’ section.
  5. Once the build is complete, use the ‘Reflection’ area to discuss what they learned and what they might do differently next time.
lego stem activities planning page printable

STEM LEGO Challenge List

Go on journey of discovery and engineering with our diverse set of LEGO challenges. Each task is a new opportunity to learn and play, whether it’s mastering the basics or tackling more complex projects.

We’ve organized the challenges by difficulty – so every child finds the right fit for their budding talents.

LEGO STEM Challenges organised by difficulty

Easy LEGO STEM Challenges

Start your STEM adventure with these Easy Challenges! Perfect for beginners, these activities lay the foundation for basic engineering principles and offer a gentle introduction to the exciting world of LEGO construction, and are perfect for those who need a simple STEM challenge.

  • Build a LEGO Marble Maze: A labyrinth of fun that teaches the basics of design and planning.
  • Construct a Powered LEGO Car: Zoom into the fundamentals of motion and energy.
  • Design a LEGO Boat: Float a boat and explore buoyancy and balance.
  • Create a LEGO Tower: Reach new heights while understanding structures and stability.
  • Build a Catapult: Launch into simple mechanics and force.
  • Build a Simple Electrical Circuit: Illuminate the concepts of electricity and circuits.
  • Build a Simple Gear Train: Get gears turning and learn about mechanical advantage.
  • Create a Simple Balance Scale: Weigh in on measurement and equilibrium.
  • Design a Simple Pulley System: Lift learning with an intro to pulleys and levers.
  • Build a Bridge: Span the gap between creativity and engineering.

Moderate Difficulty LEGO STEM Challenges

Ramp up the creativity with our Moderate Challenges. Designed for those who have mastered the basics, these tasks encourage young builders to apply their knowledge and think critically as they face slightly more complex projects.

  • Create a LEGO Pendulum: Swing into physics and periodic motion.
  • Design a LEGO Water Filter: Clean up concepts of filtration and environmental science.
  • Design a LEGO Model of a Solar-Powered Vehicle: Harness the power of the sun for renewable energy insights.
  • Create a Weather Vane to Measure Wind Direction: Whirl into meteorology and instrument design.
  • Design a Multi-Floor LEGO Elevator: Elevate engineering skills with vertical transport solutions.
  • Design a Wind-Powered LEGO Vehicle: Catch the breeze on aerodynamics and alternative energy.
  • Build a Rube Goldberg Machine: Trigger a chain reaction of fun and complex problem-solving.
  • Construct a Model of the Solar System: Orbit around spatial awareness and celestial mechanics.
  • Design a Roller Coaster Model: Twist and turn through the ups and downs of potential and kinetic energy.
  • Create a Hydraulic Lifting System: Pump up understanding of fluid dynamics and pressure.

Hard LEGO STEM Challenges

For the ambitious builders ready to test their skills, the Hard Challenges await. These intricate projects require patience, advanced problem-solving, and a keen understanding of STEM concepts, challenging kids to push the boundaries of what they can create with LEGO.

  • Design a Suspension Bridge Model: Construct an understanding of tension and compression in complex structures.
  • Construct a Working LEGO Crane: Lift into the principles of hydraulics and mechanical engineering.
  • Build a LEGO Model of a Functioning Robotic Vehicle: Steer into robotics and automated systems.
  • Build a LEGO Model of a Robotic Sorting Machine: Sort out algorithms and machine efficiency.
  • Design an Autonomous Robotic Rover: Navigate through coding and autonomous control.

Each challenge is a stepping stone to greater understanding and skills in STEM, and of course, hours of enjoyment and pride in creation.

Download the LEGO STEM Challenge PDF

Ready to get started? Download the free printable PDF from the link below and let the adventures begin!

The LEGO STEM Pdf contains three pages – the challenge list, a blank checklist to keep track of your completed challenges, and a planning page which allows you to plan and reflect on how each challenge went.

Terms of use: Free for personal use, classroom use, community use, educational use. Do not redistribute or sell this file.

With these STEM LEGO Challenges, the possibilities are as limitless as your child’s imagination.

Not only do they provide a platform for creative expression and problem-solving, but they also offer a delightful way to integrate learning into play.

Grab your bricks, download our LEGO challenge printables, and watch your child construct not just models, but also skills for the future.

free printable LEGO STEM challenges

More Fun STEM Activities for Kids

If you loved these LEGO challenges, stay tuned for more thrilling STEM activities that will keep your kids engaged and learning.

From kitchen chemistry to backyard botany, we have a world of exploration waiting for you and your young innovator. Stay curious, stay creative, and let’s build a brighter future together, one brick at a time.

Remember, parents and educators, the key to a successful STEM experience is to support your child’s curiosity and provide the space for them to experiment and learn from their failures as much as their successes.

Happy building!

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Anna Marikar, mum of four and seasoned blogger, has spent over a decade sharing her parenting journey and passion for kid-friendly crafts and free printables.
Her easy-to-follow craft ideas and practical parenting advice have transformed In The Playroom into a cherished resource for parents.

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