She was eager for me to leave her to her own designs (ie, do things her way ;-) ), and happily sewed for at least a half hour, if not longer. She picked out different colors of thread and I helped her by threading the needle and tying knots, but otherwise this was something that she did entirely on her own.
These buttons were perfect for little fingers! They are over an inch wide, and the holes are nice and large, making it very easy to find the button holes from the bottom of the fabric. This is something I did when I was little. I'm sure that my daughter would enjoy digging through my button collection to add more buttons to her fabric!