Chair Pizzazz - from Better Homes & Gardens. "Painted the same color, mismatched secondhand dining chairs look happy together. Use white for a simple look or embolden your dining room by using paint in a deep, rich color.
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.
Giving kids a schedule for playtime, chores and summer homework. I would really love to be able to make this happen. Kids thrive on schedules and clear expectations. But spontaneity always seems to win out in my house. Such a great summertime schedule!