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Gumroad Digital Book (PDF Download)

Color the World with Your Hands – Digital Coloring Collection

<Gumroad Shop Introduction>
Dream Coloring Journey


I am a creative designer and digital artist based in Japan. Focusing on coloring books and children's picture books, I create works inspired by the architecture and natural beauty of various countries around the world.

Enjoy a Coloring Journey Anytime, Anywhere with High-Quality PDF Downloads


Experience the joy of coloring famous landmarks around the world—just like traveling. That’s the charm of WakuWaku Coloring Travel.
Our site has offered paperback coloring books on Amazon Kindle, and now, we’re excited to announce the launch of our high-resolution, more flexible digital PDF editions on Gumroad.
With the digital PDF version, you can print on your favorite paper and use any art tools you like to color freely.
Each book includes color samples, making it easy and fun for beginners. Plus, since you can print the pages as many times as you like, there’s no need to worry about mistakes—just enjoy the creative process.
Why not bring the world’s beautiful landscapes and architecture to life with your own unique color palette?


5 Great Benefits of Digital Coloring Books


The Freedom to Enjoy with Your Own Choice of Paper

With store-bought coloring books, you're limited to the paper provided. But with digital PDF versions, you can choose the perfect paper to match your tools and preferences. Whether it's thick watercolor paper, medium-textured paper ideal for colored pencils, or high-quality bleed-resistant paper for markers, you can even change paper types depending on the artwork.

Enjoy a truly personalized coloring experience that brings out the full potential of your favorite materials.



Unlimited Creativity with Infinite Reprints

One of the biggest advantages of digital coloring books is the ability to print the same design as many times as you like.
You can experiment with different color combinations to create completely new impressions, try out new tools and techniques, and explore endless possibilities—all from a single illustration.

It’s perfect for collaborative coloring with children or comparing results with friends.
Just one coloring book can unlock limitless creativity.



Color Samples Included – Perfect for Beginners

Every digital coloring book comes with professionally colored sample images.
These samples provide helpful guidance on color choices and shading techniques, making it easy and enjoyable even for beginners to get started with confidence.

Of course, you’re free to ignore the samples and create your own unique color schemes.
Having reference samples enhances the experience and opens up even more ways to enjoy coloring.



Portable and Flexible – Color Anywhere

With digital PDFs, you can store your coloring books on a smartphone or tablet and enjoy them anytime, anywhere.
You can print only the pages you need when you need them—no need to carry around bulky books while traveling or on the go.

Plus, the print size is completely up to you! From small postcard-sized artworks to large poster-sized pieces, you can customize your experience to fit any situation.



An Eco-Friendly Choice

With digital coloring books, you can print only the pages you love—eliminating paper waste from unused content.
You also have the option to use environmentally conscious paper, such as FSC-certified or recycled paper.

Using digital content is a small but meaningful step toward reducing our impact on the planet.


5 Reasons to Buy on Gumroad


Ultra-High-Resolution PDFs for Stunning Detail

All coloring books sold on our Gumroad shop are provided as high-resolution PDFs, up to 95MB in size.
While many other platforms limit file sizes to under 20MB, Gumroad allows us to deliver beautifully detailed artwork with exceptional clarity.

Intricate line work and complex patterns print with crisp precision, dramatically enhancing your coloring experience.



Instant Download – No Waiting Time

With Gumroad, your download becomes available immediately after purchase—no need to wait for a physical book to arrive.
You can start coloring the moment inspiration strikes, whether it’s late at night or during a sudden change of weekend plans.

That’s the beauty of digital content: flexibility and creativity, anytime you need it.



Secure, International Payment Support

Gumroad supports a wide range of international payment methods, including credit cards and PayPal, offering flexibility and convenience for customers worldwide.
With robust security measures in place, your personal information is protected throughout the process.

Whether you live abroad or prefer global payment options, you can shop with confidence and peace of mind.



Enjoy Long-Term Value with Free Updates

When you purchase a product on Gumroad, you’ll receive any future updates at no additional cost.
Whether it’s the addition of new color samples, improved print guides, or quality enhancements, we continually update our products to offer even more value.

Once you buy, you can enjoy the ongoing evolution of your coloring book for years to come—that’s one of the great advantages of digital content.



The Freedom to Choose Your Own Paper

Unlike store-bought coloring books with fixed paper types, digital PDF editions let you select the perfect paper to match your tools and preferences.
Use thick watercolor paper, medium-textured paper ideal for colored pencils, or high-quality bleed-resistant paper for markers—whatever suits your style.
You can even change the paper type for each piece.
Enjoy a personalized coloring experience that brings out the full potential of your favorite art materials.


Digital Coloring Collection

Iceland Travel & Coloring

Iceland Tourist Spot Coloring Book

Iceland Tourist Spot Coloring Book
(High-Resolution Version)

Enjoy 24 stunning coloring pages featuring the mystical land of ice—Iceland. Bring to life the wonders of nature, including the aurora, geysers, and glaciers, with your own colors.
#PDFファイル:52.8MB

View on Gumroad

Hollywood Classic Movie Scene Travel & Coloring

Hollywood Movie Scenes Coloring Book

Hollywood Movie Scenes Coloring Book
(High-Resolution Version)

Recreate iconic scenes from classic films through coloring.
Color 24 must-see moments for movie lovers with your own creative vision.
#PDFファイル:80.3MB

View on Gumroad

Lithuania Travel & Coloring

Lithuania Tourist Spot Coloring Book

Lithuania Tourist Spot Coloring Book
(High-Resolution Version)

Take a coloring journey through Lithuania.
Explore beautiful old towns, medieval castles, lush forests, and serene lakes that bring peace to the soul.
Enjoy an artistic adventure as you color these picturesque landscapes.#PDFファイル:47.0MB

View on Gumroad

Luxembourg Travel & Coloring

Luxembourg Tourist Spot Coloring Book

Luxembourg Tourist Spot Coloring Book
(High-Resolution Version)

A coloring book featuring the landmarks and natural beauty of Luxembourg.
Color Vianden Castle, the Old Town, and the Moselle Valley—and enjoy a sense of travel and relaxation through every page.
#PDFファイル:55.1MB

View on Gumroad

Norway Travel & Coloring

Norway Tourist Spot Coloring Book

Norway Tourist Spot Coloring Book
(High-Resolution Version)

A coloring book that captures the grandeur of Norway’s nature and history.
Enjoy peaceful moments as you color breathtaking scenes like the picture-perfect Lofoten Islands and the northern lights dancing across the Arctic sky.
#PDFファイル:45.1MB

View on Gumroad

Hong Kong Travel & Coloring

Hong Kong Tourist Spot Coloring Book

Hong Kong Tourist Spot Coloring Book
(High-Resolution Version)

A coloring book featuring iconic sights of Hong Kong.
From the night view at Victoria Peak to the Symphony of Lights, experience the vibrant energy of Hong Kong through color.
#PDFファイル:44.0MB

View on Gumroad

Malaysia Travel & Coloring

Malaysia Tourist Spot Coloring Book

Malaysia Tourist Spot Coloring Book
(High-Resolution Version)

A coloring book featuring Malaysia’s iconic sights. From the futuristic Petronas Twin Towers and mysterious Batu Caves to tropical Langkawi Island, experience Malaysia through color.
#PDFファイル:75.3MB

View on Gumroad

Mandala VOL.1 – Coloring Book

Coloring Book of Mandalas VOL.1

Coloring Book of Mandalas  VOL.1
(High-Resolution Version)

Embark on a coloring journey filled with delicate and beautiful mandala art. Coloring these meditative geometric patterns brings a sense of calm and awakens your creativity.
#PDFファイル:94.9MB

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Mandala VOL.2 – Coloring Book

Coloring of mandalas VOL.2

Coloring of mandalas VOL.2
(High-Resolution Version)

The second volume of our delicate and beautiful mandala art series.
Enjoy relaxation and self-expression as you bring intricate geometric patterns to life with your own unique colors.
#PDFファイル:94.0MB

View on Gumroad

Kaleidoscope VOL.1 – Coloring Book

Coloring book of Kaleidoscope VOL.1

Coloring book of Kaleidoscope VOL.1
(High-Resolution Version)

This coloring book features geometric patterns that shift and transform like a kaleidoscope.
Freely adding your own colors to these vibrant designs brings calm to the mind and lets your creativity bloom.
#PDFファイル:86.9MB

View on Gumroad

Kaleidoscope VOL.2 – Coloring Book

Coloring book of Kaleidoscope VOL.2

Coloring book of Kaleidoscope VOL.2
(High-Resolution Version)

The second volume of our kaleidoscope art series.
Relax and enjoy creating your own dazzling kaleidoscopic world with this beautifully designed collection.
#PDFファイル:95.3MB

View on Gumroad

Frequently Asked Questions (FAQ)


Q1. How should I print a digital coloring book?

A1. After downloading the PDF file, print it using your home printer.
We recommend selecting “Actual Size” or “100%” in your print settings for best results.
A4 or Letter size paper works best.
For a better finish, especially when using colored pencils or watercolor paints, we suggest using thicker paper—at least 120 gsm or more.

Q2. What coloring tools are recommended?

A2. You can use any tools you like—colored pencils, watercolor pencils, markers, crayons, or watercolor paints.
Since each medium works best on different paper types, we recommend:
High-quality bleed-resistant paper if you're using markers
Watercolor paper if you're using watercolor paints
Choose the paper that best suits your materials to fully enjoy your coloring experience.

Q3. How do I purchase on Gumroad?

A. Click the “I want this!” or “Buy” button on the product page and follow the on-screen instructions.
After entering your email address and payment details, a download link will appear immediately upon completing your purchase.
You’ll also receive an email at the address you provided with instructions and a link to download your files.

Q4. What are the copyright terms for the purchased PDF?

A4. The PDF you purchase is strictly for personal use only.
You are welcome to print it for yourself and share it with family or friends for non-commercial purposes. However, commercial use, redistribution, or resale is prohibited. Uploading or distributing the file on the internet is also forbidden under copyright law.
Please respect these terms to support the creators.

Q5. Which devices can open the downloaded PDF?

A5. PDF files can be opened on most devices that have a PDF viewer installed, including computers, smartphones, and tablets.
For example:
Windows PC: Adobe Reader, Microsoft Edge
Mac: Preview, Adobe Reader
・iPhone/iPad: Apple Books
Android: Google Drive, Adobe Acrobat Reader
Simply use any of these apps to view your downloaded coloring book.