There is no easier yet rewarding gift to make with young children. Set the child up cutting the fruit while you gather ingredients. You can cook the jam and can it or make freezer jam and place in freezer jars. We have done both:
Strawberry Freezer Jam
We have also recently made pomegranate jelly. I had no idea how easy it was to make homemade spreads. All store well, even if you elect to simply keep them in the refrigerator. As soon as we have some more free time we are going to make some orange marmalade. I love a good marmalade. And maybe some lemon curd...