Teaching your daughter how to sew and design her own clothes is a great way to save money in this economy on expensive fashion items. Sewing machine projects are a fun and cheap alternative to spending your money on over-priced clothing from the mall — and your kids can join in the fun too! After all, Mom shouldn’t be the only one with some style, right? Kids want to be fashionable, too, and the hottest trend in kids and pre-teen clothing is the ballerina-style tulle skirt. Even fashion designers like Stella McCartney are now designing tulle skirts for kids, and retail prices can run up to $30 or more. For…