Here's a challenging puzzle to keep the kids busy - in fact two puzzles, as we have an easier and harder version of this picture. Don't tell the kids what it is and see how many squares they have to fill in before they work it out...
Mystery Picture Puzzle - Ice Cream Cones
Which of these 6 yummy looking ice cream sundaes is different from the others? You'll have to look very closely to find the odd one out.
This puzzle requires very close observation. Can your children find 10 differences between the two ice cream sundaes?