1. Ocean Sensory Bottles: Fill plastic bottles with water, blue food coloring, and items like seashells and sand. Let kids shake and explore the underwater world.

2. Paper Plate Jellyfish: Cut a paper plate in half and color it with markers or paint. Attach long strips of colorful tissue paper as tentacles and hang them up as decorations.

3. Sea Salt Puffy Paint: Mix equal parts flour, salt, and water to create a thick paste. Add blue food coloring, and let kids use it to paint ocean-themed pictures. When it dries, the paint will become puffy.

4. Sand Art Bottles: Layer colored sand in a clear bottle to create beautiful patterns. Kids can experiment with different colors and techniques to make unique designs.

5. Seashell Wind Chimes: Collect different types of seashells and attach them to a piece of driftwood or a metal hoop. Hang it outside and enjoy the soothing sounds of the ocean breeze.

6. Ocean Slime: Make homemade slime using clear glue, liquid starch, and blue food coloring. Add glitter or small ocean-themed toys for added fun.

7. Soda Bottle Submarines: Cut the bottom off a plastic soda bottle and tape a balloon to the opening. Fill the bottle with water and watch as the balloon fills with air, making the submarine float.

8. Ocean Diorama: Create a miniature underwater scene using a shoebox, construction paper, and various ocean-themed materials. Kids can design their own underwater world complete with fish, coral reefs, and seaweed.

9. Ocean Wave Bottle: Fill a clear plastic bottle with water, vegetable oil, and blue food coloring. Add a few drops of dish soap and glitter for a swirling ocean effect.

10. Ocean Science Experiments: Conduct experiments such as “Saltwater Density” (mixing saltwater with fresh water and observing the different layers) or “Ocean in a Bottle” (combining water, oil, and food coloring to represent the ocean and its currents).

11. Sea Creature Masks: Provide kids with cardboard, paints, and other craft materials to create their own sea creature masks. Let them use their imagination to design unique masks inspired by ocean animals.

12. Ocean-themed Bead Jewelry: Provide beads in various shades of blue and sea-inspired shapes like seashells and starfish. Kids can make their own necklaces, bracelets, or keychains to show off their creativity.

These activities, experiments, and crafts will not only keep kids entertained but also teach them about the wonders of the ocean and its inhabitants. Enjoy diving into the world of ocean exploration!