Continuing my series on road trips with kids, this post will give you fool-proof ideas for keeping your backseat passengers busy! Entertaining kids on a road trip is not hard, but it does require thinking ahead. Read along for my tried and tested entertainment ideas. Affiliate links appear on this page, by clicking them and/or making a purchase, I may make a small commission at no extra cost to you. Thank you! Last week I shared some of my Road Trip Preparation ideas with you. Today I am going to let you in on how we keep three kids entertained on 20 hour car rides! Most of these will require…