Some sea animal crafts and activities for kids are^{1 2}:

• Making clay or playdough nudibranchs (colorful sea slugs) and painting them with watercolors.
• Sculpting salt dough sea turtles and decorating them with shells and beads.
• Trying under-the-sea painting prompts with different materials and techniques.
• Building a coral reef craft with paper, cardboard, and pipe cleaners.
• DIYing a set of salt dough sea stars and painting them with glitter.
• Trying ocean-inspired printmaking with bubble wrap, foam, and stamps.
• Going on a beach scavenger hunt and collecting natural items.
• Making an adorable recycled cardboard tube crab with googly eyes and pipe cleaners.
• Making bright colored fish with ice cream sticks, paper, and sequins.
• Making paper bag jellyfish with tissue paper and yarn.
• Making clothes pin sharks with paper and markers.
• Making sea urchins with paper bowls and toothpicks.
• Making egg carton whales with paint and paper.
• Making paper plate walrus with brown paper and cotton balls.