Rainbow Cupcakes- for the one year old's rainbow party. Word to the wise. leave the rainbow sour belts out to get stale for a day or two. We had some floppy rainbows. I did rainbow cake inside that you could see through the white liners.
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.