Black and white coloring page of a happy child in snorkel gear reaching for an underwater treasure chest with numeral 8 seashell, gifts, and pearls, celebrated by octopus holding birthday cake, fish, seahorse in party hat, and jellyfish.

Qty

License: Personal and classroom use only (no resale, no redistribution).

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8th Birthday Underwater Adventure Coloring Page

This coloring page shows a cute kid with flippers and snorkel mask swimming excitedly underwater toward a treasure chest overflowing with shiny pearls, wrapped gifts, and a big numeral 8 seashell. Friendly sea creatures join the fun: an octopus holds a bubbly birthday cake with eight candles, fish blow bubble streamers, a seahorse wears a party hat, and jellyfish float like balloons. Coral reefs, seaweed, and bubbles fill the ocean scene.

Fun facts

Octopuses have three hearts and blue blood.
Seahorses are the only animal where the dad carries the babies.
Jellyfish have no brain, heart, or bones.

Coloring tips

Color the octopus cake with bright frosting and lit candles to make it pop.
Use sparkly colors on the pearls and gifts in the treasure chest.
Add wavy patterns to the jellyfish and bubbles for a floaty underwater feel.

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