awesome game if you have a ds and younger kids
my 3 year old goddaughter and her 5 year old sister can both figure out the coloring book, no mess and definitely no coloring on walls with the stylus. just make sure you have screen protectors and they are on carpet and you are set.
obviously this is not aimed for people over the age of 10 for sure
if you wish to buy it, try to find it used, although it is a good game for the younger kids, its not a long enough game to spend 30 dollars on.
the only real issue i have seen is that the puzzles (as puzzles can be for younger children) are a little difficult for the smaller kids, but as long as an older individual helps them through it or does it for them, no problem.
younger kids tend to press too hard on the screen when they color outside the lines and no color comes out, this is just because you can ONLY color inside the lines, you need to pick up the stylus and put it down in another section to color it