How about sewing? - you could make adorable clothes for your kids, save money - maybe make a little business making cute clothes for others, too. You don't have to be super creative, the patterns out there give you all the ideas, just flip through the books and pick what you like, and pick out cute fabrics.
I wish I was good at sewing, it isn't really hard, I just haven't practiced enough - too many hobbies here, jack of all trades, master of none, LOL! Let see, I do crochet, looom knitting, hair bows for my daughter, polymer clay ornaments and nativity scenes, beading, orhter general crafts, plus cooking, baking, all the other household chores and taking care of the kids, LOL - lots of hobbies!
Right now, crocheting is my favorite, as it is portable, and simple, you can make many different types of projects, bags, baskets, clothing, rugs, toys....TONS of free patterns online, and the supplies can be very inexpensive. I have a 4 year old and 2 year old, so some of myother hobbies are a bit too much - have to go to the base ment craft room, o they have small parts ( beads, pins, needles) or are too easy for the kids to "mess it up" - This, I just keep a basket right next ot my recliner in the TV room where we spend most of our family time, and i crochet as they play or watch TV. I am making my mom a sweater right now, just finished a toy sheep and a purse and a few hats before this.
Good Luck Choosing!