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How to Build a LEGO Heart the Easy Way!

Hearts, hearts, and more hearts! With Valentine’s just around the corner, it’s making everyone feel the love all around us and it’s the perfect time to try out Valentines STEM activities! These directions for how to build a LEGO heart are easy for beginning engineers.

It’s a fun and creative way for kids to express their feelings and to show their love for others.

Kids and students will be able to create a unique piece of art that is both meaningful and beautiful.

The process of creating a LEGO heart also teaches kids important skills such as problem solving, creativity, and concentration. Not only that, but it’s also an affordable activity that the whole class can enjoy together.

Learn how to build a LEGO heart using classic LEGO bricks you already own! This DIY LEGO heart design is perfect for Valentine's Day STEM!

With the help of a DIY LEGO heart, kids can make something special for someone they care about and learn about the basics of design and engineering at the same time.

How to Build a LEGO Heart that anyone will LOVE

Whether you are looking for a Valentine’s Day gift or just want to surprise someone, a LEGO heart is the perfect way to express your love.

With just a few simple steps, middle school students can easily create a beautiful and unique LEGO heart.

From gathering the right materials to assembling the pieces together, this guide will help you make an unforgettable LEGO heart that will be cherished by all!

Where to Find the Right LEGO Heart Pieces

I enjoy open-ended STEM projects like these because they not only help youngsters explore creative solutions, but they’re also a terrific use for those heaps and mounds of stray LEGO bricks that seem to come in everyone’s house in some form.

If you don’t have enough LEGO bricks for this task in your classroom, you can always buy some from these affiliate links below!


Here are some LEGO STEM products you can use in your classroom!

All of these LEGO STEM sets have working, moving parts and are a great way to introduce complete STEM builds and activities to your students.

lego amusement park ride working set

LEGO Amusement Park Ride

lego pinball set

LEGO Pinball Table

lego fairground set

LEGO Expert Fairgrounds Set

lego tecnic mars rover

LEGO Mars Rover

lego amusement park game brick loot

LEGO Carnival Game

simple lego engineering kit

LEGO Simple Engineering Kit

lego space rollar coaster set

LEGO Space Roller Coaster

lego classics lots of bricks

LEGO Classic Lots of Bricks

lego pacman building game

LEGO Pac-Man Game

lego friends technical carnival lego set

LEGO Friends Beach Amusement Park

lego gear bots klutz

Klutz LEGO Gear Bots

klutz lego race cars

LEGO Klutz Race Cars

simple machines lego kit

Simple Building Machines

lego ferris wheel kit

LEGO Ferris Wheel

lego drones

Flying Drones Building Kit

lego solar powered robot

Solar Robot Building Kit

lego ultimate stunt riders challenge

LEGO Ultimate Stunt Riders Challenge

I prefer buying LEGO bricks in quantity from previous owners since it is significantly less expensive than buying new sets and contains a greater selection of components that are great for LEGO engineering challenges.

Etsy is my favorite location to buy LEGO bricks. I normally buy them in unsorted pounds, such as the lots seen below.

LEGO Heart 1

If you need more ideas for LEGO STEM challenges, check out the FREE list of LEGO engineering challenges by clicking the image below!

lego challenge cards

Why Use LEGO as an Engineering Material?

There are many reasons why LEGO is the perfect engineering tool.

One reason is that it can be used to create almost anything imaginable. Additionally, LEGO is also a great way to teach children about engineering and construction.

Studies have shown that playing with LEGO can actually boost cognitive development in children.

Creating a Lego heart is a great way for children to explore their creativity, develop fine motor skills, and understand how mathematics and engineering are used in everyday life.

From designing colorful patterns to building the structure, there are endless possibilities for students to create.

LEarn how to build a LEGO  heart the easy way!  It requires only basic LEGO building pieces and can be made just for fun or as a Valentine's Day STEM activity.

More Easy LEGO Builds

Here I show you how to make an easy LEGO heart, but if you like the idea of making more LEGO STEM challenges, check out some of these other simple LEGO engineering projects below:

lego challenge cards

Get the step-by-step directions on how to make a LEGO heart below. You can even print out the instructions and have them available as the kids complete the STEM challenge.

What improvements can you think of to make to this heart design? How would you do it differently to make a heart from the bricks you already own?

diy lego heart design

How to Build a LEGO Heart

Making a LEGO heart is an easy and creative way to show someone you care. It requires only basic building blocks and can be customized to fit any occasion or decor.

Using LEGO pieces, you can craft a colorful heart that will bring a smile to the face of your loved one.

Whether it's a romantic gesture or an artistic expression of friendship, making a LEGO heart is an enjoyable activity that yields beautiful results.


  • 1 baseplate
  • 4 2x4 roof tiles with 45º angle
  • 1 2x2 roof tile with 45º angle
  • 4 1x3 bricks
  • 8 2x4 bricks
  • 2 2x2 bricks
  • Various 1x1 round plates, for edging


    1. Gather all of the bricks you need to build your own LEGO Heart. LEGO Heart 9
    2. Place 1 2x2 roof tile with a 45º angle on the lower point from the center as a guide for the beginning of
      the lego heart
    3. Above the 1 2x2 roof tile, pace the 1 2x2 red brick and a 2x4 red brick next to it to create the bottom of the heart.
    4. Start building the middle part of the heart with 3 2x2 red bricks as shown.easy lego heart design
    5. Complete the middle portion of the heart by putting 4 2x4 red bricks in the middle to fill it up, and fill out
      the gap with 1 2x2 red brick roof and close it with 2 2x4 roof tiles with 45º angle to close the sides.
    6. Put in your 4 1x3 red bricks above what you've built to start making the top of the heart directions
    7. Finish off the heart with 2 2x4 roof tiles.easy lego heart design
    8. Decorate your design with 1x1 round plates on the edges as you wish and there you have it!


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