This is something I would totally do. I do it now with Zach's diaper bag, and I am thinking that this is next! Fill a tote bag with crayons, paper, handheld game, hand sanitizer, baby wipes, and a camera. And now your kids have everything they need for the car!
40 activities for the kids to do with blocks. Activities for wooden blocks, Legos, ABC blocks and even some building ideas.