Activity for BunBuns

I don't like doing the hair/makeup thing, but I can get it done professionally for free because of a family friend. I feel like I should utilize it.. but I am not sure what to do? I would want something REALLY simple.. What do you think of these? ...

How much time are you allowing for hair?? I want to do something like this:

I am thinking of doing hair something like one of these. Any ideas where I could get a cute hairband like this?