Here's the gist. Take a picture of your children at certain points in their life next to an inanimate object. By doing this, you'll be able to quickly see how they change over time. For our friends it was a chair. We decided to use their sock puppet monkeys.
Here's a quick photo album of the girls from birth through two years old.
Linking with my lovely wife's weekly linky party, Mama Loves. Got a gadget, recipe, toy, book, craft your kid loves? Or have something that makes mama-ing (or papa-ing) a wee bit easier, or at least better? Blog about it and link up!