The Stay-at-Home-Mom Survival Guide: Preschool Activities This is a GREAT site. She has so many clever and easy ways to work with your preschooler and have fun at the same time. I'll need this for when I'm a stay at home mom :-)
Transportation Activities for Preschoolers - Things That GO!
DIY Portable LEGO Kit with Free Printable Activity Cards. I like this for school, older kids can have activity cards to create planets/atoms/molecules/fractions, younger ones can practice fine motor skills.
Make this letter wheel out of a paper plate and then walk around the neighborhood looking for letters on signs, license plates, and utility boxes. Whenever you find one of the letters, fold it down on the plate. For Naomi on car trips.
Time for Play: Smashing Balls (baked cotton balls) - All you need is some flour, water, food coloring and cotton balls! Bake them in the oven. When cool give your kiddo a hammer and watch the FUN! If only I didn't hate touching cotton balls.