We love his game. My son loves this game and I love this game. You can literally take this with you anywhere, and occupy yourself for hours. They do have an app now for this game, but I still enjoy playing the material one. Once you master all of the levels, then you can go back and try to complete each level in less steps. It really does require a lot of visual-spacial planning and thinking. You have to rearrange the cars in your mind. If you're looking for a fun game for children and adults alike, especially one that exercises your brain, then this is a home run. It's one of our favorites. It also encourages solitary play, which is a very important skill for kids. I highly recommend this.