Bible Belt Balabusta offers a plan to invite children to explore and understand the concept and laws of Kashrut:

"Things I did not anticipate at yesterday’s Kosher Grocery Quiz: 1) despite being Southern, our little Jewish kids had no idea what “pork rinds” were and did not think them hilarious, and 2) every single child assumed the “silver polish” was something ladies do to fingernails.
Teaching kashrut can be tons of fun. Toys! Fake food! Real food! Clipboards! Pork Rinds! Don’t let the word “quiz” put you off: a hands-on grocery quiz can be a gentle exploration of kashrut, meant to give kids the heads-up about what kosher means and why Jews keep kosher. I’ve done this as a stand-alone lesson, as an intro before a cooking session (kosher brownies!), and as part of a parsha study. "

Access instructions HERE