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Guide for Beginners on Customizing and Modifying LEGO® Sets

Reading Time: 11 Min
Published: 7 September, 2023
Updated: September 15, 2023
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Welcome to the ultimate guide about giving your beloved LEGO® sets that personal touch you’ve always dreamed of! We know taking a paintbrush or a pair of scissors to your pristine LEGO® bricks can be a tad intimidating. “What if I mess it up?” you wonder. “What if my masterpiece turns into a disasterpiece?” We’ve all been there!

Fear not! This guide is designed to melt away those hesitations like a well-placed LEGO® brick clicks into its counterpart. You’ll find easy-to-follow, step-by-step instructions that take you from a curious novice to a confident customizer. So take a deep breath, unleash your creativity, and let’s embark on this exciting LEGO® customization journey together!

Ready? Set? LEGO®! 🌟

How to Customize LEGO® Sets

Ready to dive into the vibrant world of LEGO® customization? Let’s get started! 🎨

1. What is Customization Anyway?

Customization is like giving your LEGO® sets a total makeover! Think of it as your chance to sprinkle a little bit of “you” into the LEGO® universe. From color changes to adding unique pieces, the sky’s the limit!

2. Picking Your First Project

Oh, the choices! A spaceship? A castle? A bustling city street? You might want to pick a simpler set if you’re just starting. You know, something that doesn’t have a zillion pieces and won’t make you pull your hair out. Trust us, it makes learning the ropes a whole lot easier!

3. Basic Methods to Spruce Things Up

Here’s where the rubber meets the road, or the brick clicks into place. You can:

  • Paint it: Use special, LEGO®-safe paint to change up the colors.
  • Add Pieces: Pop in custom pieces or accessories to jazz things up.
  • Stickers and Decals: A little adhesive art never hurt anyone!
  • Mix and Match: Combine pieces from different sets for a unique creation.

4. How Do I Know What’s Best for Me?

Good question! It’s like choosing a flavor at an ice cream stand with a hundred options. Here’s a tip: Start with what you love. Do you enjoy intricate designs? Go for decals. Love vivid colors? Painting might be your jam!

The Ultimate Checklist for Picking Your Dream LEGO® Customization Canvas! 🌈

Here’s the ultimate, head-spinning, jaw-dropping checklist for choosing the LEGO® set to make your customization dreams a bricktastic reality!

1. A Whole LOTTA Bricks!

The more, the merrier, right? Look for sets brimming with pieces! More bricks mean more chances to switch things up and go wild. 🎉

2. It’s All in the Mix 🎨

Like a fruit salad but for bricks! Go for sets with a splash of standard pieces, a dash of specialized bricks, and a sprinkle of cool accessories. Variety is the spice of brick life!

3. Taste the LEGO® Rainbow 🌈

Color me impressed! Sets with a dazzling array of colors are your playground. Who needs to paint when your bricks are already a walking rainbow?

4. The ‘Break Up & Make Up’ Factor

Got commitment issues? No worries! Grab a modular set, which means they are easy to take apart and put back together, so you can change your mind anytime!

5. Theme it to Dream it! 🌠

Pick a theme that’s a chameleon! Why settle for a city set when it can morph into a zombie wonderland or a cosmic marketplace?

6. The Expandables: LEGO® Edition

Look for sets that are, well, set to grow! If it has siblings or cousins in the series, you can mix and match until the cows come home or until you build them a LEGO® barn!

7. Bang for Your Brick! 💥

Getting the most pieces per penny makes your customization journey more of a gala and less of a grind. Talk about a win-brick situation!

8. The Instruction Connection 📚

Having a guide at your fingertips or a click away means you can always hit the reset button. It’s like having a time machine but for LEGO®!

9. Social Butterbricks 🦋

Go for sets that are the talk of the town. The more popular, the more community hacks, tips, and inspo you’ll find. It’s like a party, and everyone’s invited!

10. The Heartbrick Connection ❤️

Last but not least, follow your heart or, should we say, your heartbrick. Choose a set that makes your inner child do cartwheels; you’ll never run out of creative juice!

So, ready to pick your ultimate LEGO® set and get this brick party started? Your masterpiece is just a checklist away!

Our Recommended Lego Sets for Beginners for Customization

LEGO® Starter Kit 2000414

Set Number: 2000414
Theme: Serious Play
Year Released: 2010
No. Pieces: 2019
RRP: £21.99 / $36.99 / €24.99

This set is perfect for those just diving into the LEGO® universe. It offers a wide array of basic pieces to help newcomers understand brick-building basics. The color variety and simple designs allow for unlimited creative potential. It’s the ideal stepping stone for anyone looking to start their LEGO® journey.

LEGO® Window Exploration Bag 2000409-2

Set Number: 2000409-2
Theme: Serious Play
Year Released: 2010
No. Pieces: 49
RRP: £314.99 / $484.99 / €359.99

Here’s a set that opens the window to architectural possibilities. This set aims to elevate your urban landscapes with unique window pieces and other structural elements. The set is great for those interested in architectural details. It’s a fantastic addition to any LEGO® City collection.

LEGO® Identity and Landscape Kit 2000430

Set Number: 2000430
Theme: Ideas
Year Released: 2013
No. Pieces: 2631
RRP: £614.99 / $789.99 / €699.99

This kit is all about self-expression and storytelling. It contains various unique elements that allow you to create landscapes or identities within the LEGO® realm. Think of it as the storytelling bridge between your imagination and your LEGO® collection. It’s for those who love creating narratives with their builds.

LEGO® Botanical Garden 41757

Set Number: 41757
Theme: Friends
Year Released: 2023
No. Pieces: 1072
RRP: £74.99 / $79.99 / €84.99

This set is a floral feast for the eyes. With various plant pieces and a tranquil pond, it’s a relaxing build that offers a sense of calm. It comes with miniature figures that bring life to the garden. It’s perfect for adult builders looking for a sophisticated touch to their LEGO® displays.

LEGO® Autumn’s Horse Stable 41745

Set Number: 41745
Theme: Friends
Year Released: 2023
No. Pieces: 545
RRP: £57.99 / $59.99 / €62.99

Autumn’s Horse Stable is a dream for equestrian fans. It comes with horses, stables, and even some riding equipment. The vibrant colors and detailed pieces make for a lively and interactive build. This set is tailored for those who love animals and outdoor adventures.

LEGO® Sports Center 41744

Set Number: 41744
Theme: Friends
Year Released: 2023
No. Pieces: 832
RRP: £84.99 / $94.99 / €94.99

The Sports Center is an athlete’s dream in LEGO® form. It comes with a basketball court, a gym, and even a swimming pool. The set is packed with functional elements like moving treadmills and spring-loaded basketball hoops. Perfect for those who love action and interactive play.

LEGO® Downtown Flower and Design Stores 41732

Set Number: 41732
Theme: Friends
Year Released: 2023
No. Pieces: 2010
RRP: £139.99 / $159.99 / €159.99

This set is like walking down a charming city street. With various shops, including a florist and a design store, it’s a rich, detailed addition to any LEGO® city. It features multiple levels and hidden compartments that provide added play value. It’s a challenging but rewarding build for experienced fans.

LEGO® Space Mission 11022

Set Number: 11022
Theme: Classic
Year Released: 2022
No. Pieces: 1700
RRP: £69.99 / $69.99 / €79.99

Space Mission sets you on a galactic adventure like no other. It includes a space shuttle, a Mars rover, and even a small space station. The set also has a number of astronaut figures, making space exploration a community affair. A must-have for those fascinated by outer space and intergalactic quests.

Custom LEGO® Set Design Services

In the land of LEGO® customization, you’re never alone! The LEGO® community is warm and welcoming, always keen to help each other.

1. Belle-Ve Bricks: Bringing Your Vision to Life

If DIY is different from your style or you’re looking for some pro-level tweaks, consider using custom design services like our very own Belle-Ve Bricks, featured on this website. Our expert team collaborates with you to bring your dream LEGO® set to life. It’s not just a plug; it’s a recommendation based on years of stellar service!

2. Why Go Professional?

Opting for a pro service gives you a polished end product designed to your specifications. You think it, they build it!

So whether you go solo or team up with pros like Belle-Ve Bricks, the important thing is to have fun and let your creativity soar. Happy building!

Best Paint for LEGO® Customization

Painting your LEGO® bricks can take your sets from great to spectacular! 🎨 But choosing the right paint is crucial. Don’t worry, we’re here to guide you through it.

1. Testors Acrylic Paint


  • Quick-drying
  • Water-based, making it easy to clean
  • Vibrant colors


  • May require multiple coats for full coverage
  • Slightly more expensive than some other options

Application Method: Best applied with a fine brush for details or a larger brush for bigger surfaces.

2. Citadel Paints


  • Highly pigmented, so you get vivid colors
  • Designed for small, detailed models
  • Wide range of colors


  • Can be pricey
  • It dries very quickly, which can be a disadvantage if you make a mistake

Application Method: Ideal for detailed work; use a fine-tipped brush.

3. Apple Barrel Acrylics


  • Affordable
  • Easy to find in most craft stores
  • Non-toxic and water-based


  • Colors may not be as vibrant as other brands
  • It may require an additional sealer to protect the finish

Application Method: Can be applied with a brush or sponge. Good for larger surfaces.

4. Krylon Fusion Spray Paint


  • Easy to apply
  • Durable finish
  • Suitable for large areas


  • Not as precise for intricate details
  • Need a well-ventilated area to apply

Application Method: Spray paint, best for covering large surfaces quickly.

These are some of the most highly recommended paints for LEGO® customization. Each comes with its own advantages and challenges, so choose what aligns best with your project needs.

Tips for Modifying LEGO® Bricks

Modifying LEGO® bricks isn’t just for the experts; you can create something extraordinary with the right tools and techniques. Let’s dive right in!

1. Know Your Tools of the Trade

When modifying LEGO® bricks, having the right tools can make a difference. Here are some essentials:

  • Precision Knife: For fine cuts and detailed modifications.
  • Tweezers: For handling tiny pieces or decals.
  • Glue Gun: A must-have for permanent changes.
  • Sandpaper: For smoothing out rough edges.
  • Drill: For making small holes, if needed.

2. Safety First!

Before you get started, remember safety comes first. Always work in a well-ventilated area and wear safety goggles when cutting or drilling. Oh, and keep those tools away from little siblings!

3. Cutting Techniques: Proceed with Caution

Cutting LEGO® bricks isn’t a casual affair. Plan carefully and measure twice before cutting. Use a ruler to guide straight lines, and always cut away from yourself to avoid injury.

4. To Glue or Not to Glue

Ah, the big question! Gluing can be a point of controversy in the LEGO® community. If you’re sure you want to make a permanent change, a low-heat glue gun is usually the way to go. Just remember, there’s no turning back!

5. How to Undo Mistakes

Made a whoopsie? Don’t worry; we’ve all been there. If you’ve used glue, use a bit of acetone or nail polish remover to dissolve it. If you’ve made a cut, consider how you can integrate the modified piece into a new design creatively.

6. Final Touches

Once you’ve made your modifications, add some paint or decals to cover any rough spots. And voila! You’re a LEGO® modification master!

There you have it! With these tips and techniques, you’re well on transforming regular LEGO® sets into something uniquely yours.

3D Printing LEGO® Accessories

Hey LEGO® fans, are you ready to take your customization game to a new level? How about creating your very own LEGO® pieces? That’s right! With 3D printing, the possibilities are virtually endless. 🚀 Let’s break it down into simple, digestible steps!

1. What is 3D Printing?

3D printing is a groundbreaking technology that allows you to bring digital designs into the physical world. For LEGO® customization, you can create unique pieces that fit perfectly with your existing sets!

2. Getting Started: What You Need

Materials Needed:

  • 3D printer
  • PLA filament (recommended for LEGO®)
  • Digital design file (.STL or .OBJ)

Step 1: Choose or Create a Design

Before you can print anything, you’ll need a design file. There are plenty of pre-made designs available online, or you can use software like Blender or Tinkercad to create your own. Make sure the design is compatible with LEGO® dimensions!

Step 2: Prep Your Printer

Load your 3D printer with PLA filament, as it’s the most compatible material for LEGO® pieces. Calibrate your printer according to the manufacturer’s guidelines.

Step 3: Load Your Design

Import your design file into the 3D printer’s software. This is where you’ll set your print settings. Sticking to the default settings is usually a safe bet if you’re a beginner.

Step 4: Print Away!

Hit the “Print” button and watch the magic happen! Your printer will build your design layer by layer. The time it takes can vary, so be patient.

Step 5: Post-Processing

Once the print is complete, you must remove any support structures and possibly sand down rough edges for that perfect fit.

3. A Few Tips

  • Always test your custom pieces for fit before integrating them into your sets.
  • Experiment with different colors of PLA filament for a vibrant result.

More Info

What are the Best LEGO® Sets for Customization?

The ideal sets for customization usually have a high piece count, a good mix of basic and specialized bricks, and a theme that’s easy to adapt. We recommend starting with something like the Starter Kit or the Window Exploration Bag.

Is it Necessary to Paint LEGO® Bricks for Customization?

Painting is completely optional. Many LEGO® sets offer a wide range of colors, so you can often achieve your desired look without paint. Remember to use safe and approved types like acrylic if you opt for painting.

Where can I Find Professional LEGO® Customization Services?

You’re already in the right place! Belle-Ve Bricks offers expert customization services, working closely with you to bring your vision to life. The LEGO® community is also a fantastic resource for finding other professionals.

Is it Okay to Glue LEGO® Bricks?

Gluing is a more permanent form of customization and is generally not recommended unless you’re sure you won’t want to take the build apart later. Glue can also damage the bricks, so proceed with caution.

Are There Any Tools Recommended for Modifying LEGO® bricks?

Simple tools like hobby knives or tweezers can be used for minor alterations. Always remember to take appropriate safety precautions when using any tools.

What’s a Good Source for Custom LEGO® Pieces?

BrickLink and the LEGO® Pick-a-Brick service are reliable options for sourcing custom and rare pieces. Always make sure that the pieces are compatible with your existing sets.

Can I 3D Print my Own LEGO® Pieces?

Absolutely! 3D printing is a wonderful way to produce highly specific pieces. Just understand the basics of 3D modeling and printing for the best results.

How Do I Know if a LEGO® Set is Good Value for Customization?

The price-to-part ratio is a good indicator of value. Sets that offer a lot of pieces for a reasonable price usually provide a great platform for customization.

Can I Integrate Electronics into My LEGO® Customization Project?

Yes, you can! There are specialized LEGO® sets that incorporate light and sound, or you can use third-party electronic kits designed for LEGO®.

Are There Resources for Further Learning About LEGO® Customization?

Books, websites, and online tutorials abound for LEGO® enthusiasts looking to expand their customization skills. Websites like LEGO® Ideas or various LEGO® fan forums are excellent starting points for both inspiration and education.

Professional LEGO® Customization Services

Hey, builders! Have you ever dreamt of a LEGO® project so epic it seems too grand to tackle alone? Don’t fret; professionals like the Belle-Ve Bricks team are here to help!

1. Belle-Ve Bricks

Services: Customization, design alterations, and more! The team works closely with customers to bring even the most ambitious projects to life. Why Choose Them: We recommend them because they’re on our website and have a stellar reputation for quality and customer service.

2. Other Services

While we’re big fans of Belle-Ve Bricks, there are other professional services out there that also offer customization, consultation, and design planning. Research and find one that fits your needs.

3. How Experts Help

Complex projects may require specialized software, intricate designs, and engineering know-how. Experts can guide you through the process, from concept to finished product.


So there you have it, LEGO® fans! From DIY hacks and 3D printing to professional customization services, the possibilities for transforming your LEGO® sets are endless. So what are you waiting for? Your LEGO® customization journey starts now! 🌟

Additional Resources

Ready to dive deeper? Here’s a list of resources to keep your creative juices flowing:


  • “The Unofficial LEGO® Builder’s Guide” by Allan Bedford
  • “The LEGO® Ideas Book” by Daniel Lipkowitz


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Written by Matthew Mitchell
Hey, I am Matthew Mitchell and I am an AFOL from the UK. I have been fascinated by LEGO® since I was a child. My two children are in love with LEGO® and it's because of them that my interest continued to grow, this is how I fell in to the rabbit hole of MOCs (my own creation). 

With every new MOC I saw I became just a bit more addicted to the endless possibilities that LEGO® offers. This led me to creating Belle-Ve Bricks, a platform where talented designers can share their work with the world.

And where we can create together with you, custom models.
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