The object is to get the red car out of a traffic jam in this easy-to-learn, but tricky puzzle.  There are four difficulty levels, from beginner to expert, and would suit anyone willing to try it.  Trucks and cars must be pushed out of the way to get the red car out.  It's unlikely that you'll find this too easy; the expert ones are really tough.  If you're stuck, look on the back of the card to see the solution.  In summary, I think this is a good and fun way to flex your mental muscles.