Oil and Water Project.I did this the other night with my niece and we called it "ocean in a bottle." Vegetable oil and water and food coloring. Cutest thing ever. She added little jewels and fish and was so proud of her ocean bottle!
This looks like the all time coolest craft/science activity/gift! Make your own colorful rainbow paper with just three materials! Easy physics demonstration, art project, and science activity for kids of all ages. The Science Kiddo