A curious dolphin swims toward a small submarine with round windows and a propeller. Bubbles rise between them, while coral and sea plants fill the foreground. Fish swim in the distance under soft light rays. This printable coloring page is free and supports imagination and storytelling.
Color the dolphin light blue or gray, and use yellow, orange, or red for the submarine. The reef can have green plants, soft coral colors, and pale blue water around the main subjects.
Hard – Submarine and reef details suit older kids.
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