DIY Road Trip Ideas For Your Pet -- rest of the list is about other DIY road trippy stuff, but this image is a good reminder of some basics and suggests some cool-looking products that I think I want to look into for the kids
35 Homemade Pet Recipes Your Dogs and Cats Will Beg For
44 Homemade DIY Dog Toys, some of these are really neat and easy. Personally I wouldn't suggest using socks though. That may teach some bad habits, eating socks, which can lead to expensive vet visits.