You can use hard taco shells for more traditional tacos if you wish. (fieryfoodscentral.com)
See if your child will be happy using warmed corn tortillas instead of hard taco shells (which have been fried). (babycenter.com)
We used to enjoy hard taco shells but for some reason, that was a bit messy for the smaller hands, so we switched to tortilla tacos! (sixtimemommy.com)