Lego cable holder - an awesome way to help you organize your cables! My husband loves lego crafts of all kinds & these lil guys are a great cable tidy for your home office. In need of more home office ideas? Check out this post
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.