Mermaid Castle Birthday Card Kit – Magical Underwater Topper

A luxury printable birthday card kit featuring a beautiful mermaid with shimmering pastel tail, surrounded by seashells, coral, pearls, starfish and ornate underwater accents.

The central scene shows a dreamy underwater castle, with coordinated inserts, sentiment labels and embellishments for easy layering, decoupage and personalised greetings.

Perfect for mermaid‑themed birthdays, fantasy celebrations and premium handmade crafting.