Berkeley Parents Network: Indoors at Home with Kids
http://parents.berkeley.edu/advice/playing/indoor.html

activities for a 1,3,4 year old!!! [Archive] - A Place of Our Own Message Board
http://www.aplaceofourown.org/boards/archive/index.php/t-59.html

What is the best games, activities for a stay at home mom to do with her 4 year old, when he's not at school? - Yahoo!7 Answers
http://au.answers.yahoo.com/question/index?qid=20061112161551AA81RCm