The outline of this strawberry is easy enough - but the seeds will take some work! Grid copy activities make the process easier, though, as you can take them one square at a time, with some careful counting and copying.
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...