How to keep a child busy for hours in the summer: DIY: Giant Ice Cube Awesomeness - filled with plastic animals, dinos, and such. And I'm sure you could put in food dye before its frozen to color it like the ice block in the photo.
50 Ways for Kids to Stay Creative - Kids learn by example and by visual learning. Try these simple yet effective tips and tricks to help kids learn and be inspired. These tips on how to stay creative aren't only awesome for kids.