My kids are too old for this, but this is a great idea for people with little kids. Pinner says: Must do before road trip. I hate reaching back to find kid's cups. Especially while driving! Road trips with kids,road trips with kids, travel
Science project: 2 clear containers, water, shaving cream, food coloring, and droppers. Slowly pour the food coloring on top of the shaving cream clouds and watch the "rain" come down when the clouds get saturated.