I purchased the cookie cutters in the shape of a onesie and a baby carriage from Amazon, made sugar cookies and then decorated them with blue and pink frosting. Most of them made it to work without too much damage.
I've never been very patient with frosting but I decided I wanted to give it my best shot, and take up the whole night if I had to. And it actually wasn't that bad. I watched a video online which helped calm my nerves, and other than my frosting getting a little too thin (I think it was too warm) at the end, it went very well. I have to say they turned out better than I could have hoped.