Also on these boards
Toddler Approved!: Simple Indoor Activities for Kids. How do your kids stay busy when you are stuck indoors?
Indoor Activities For Kids -- giant list ranging from art, sensory, math, science ideas and more.
For summer: Mom puts together lists under five different categories - Oh the Food we will Eat, Oh the Service that can be Done, Oh the Places we will Go, Oh the Crafts we will Make, and Oh the Activities we will Do; every Sunday, as a family, they plan out the week w/activities from the lists.