Reading Eggs is a tool that we have paid to use. The kids don't use it as often as I'd like, but they go through phases when they use it often. I think that the draw for them is the rewards that allow them to collect items for their online character. The levels of reading go all the way up to chapter books. The higher the difficulty, the more golden eggs rewarded. It's not a cheap program, but if you think that your kids would enjoy playing this it may be something to look into pur