Under the Sea – Pretend Mailing Set (Printable Coloring Postcards + Bonus Cut and Paste Postage Stamps))

Under the Sea – Printable Coloring Postcards + Bonus Stickers

Snail mail has never been this fun (or this adorable)!

This set of 5 printable Under the Sea-themed postcards is perfect for little hands to color, create, and connect. Whether your child is sending love to grandparents, teachers, or a friend, these postcards turn kindness into a creative moment.

Each postcard features a cute sea illustration ready to be colored, plus space on the back for a sweet message.

What’s inside:

5 Printable Coloring Postcards (A6 size: 4.1 × 5.8 in / 105 × 148 mm)

Whimsical ocean illustrations (like sea turtles, jellyfish, and playful fish)

Backside formatted for message + address (Note: These postcards are not designed for real posting. These are for pretend play, a keepsake gift for loved ones and to familiarize kids with mailing)

Bonus: 1 Sheet of Printable Stamp Stickers to decorate each postcard!

Great for classroom fun, gift add-ons, or meaningful screen-free activities.

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💛 Making Waves of Joy

10% of every purchase supports the Make-A-Wish Foundation, helping make dreams come true for children with critical illnesses.

Pay What You Want 💕

The minimum price helps cover the time and love that went into these designs — but if you’d like to support the mission and spread more joy, you’re welcome to pay more.

💖 10% of every sale goes to Make-A-Wish — so every tiny joy helps a big dream.

Note: Tiny Joy Club is not affiliated with Make-A-Wish Foundation. Donations are made personally by the creator as a way to give back and support children facing critical illness. 💖

Recommended Printing: For best results, print in color on white cardstock or standard printer paper (A4 size).

Age Suitability: Designed for children aged 3–4 and 5–6 years, depending on individual development.

Safety Disclaimer: Some activities may involve small parts such as dot stickers or pom poms, which can pose a choking hazard for children under 3. Adult supervision is required at all times.

Usage Terms: These materials are for personal or classroom use only. Please do not copy, reproduce, or distribute.

All Rights Reserved by Tiny Joy Club