Many people say that we should have a useful hobby. One useful hobby is crochet. With crochet you can produce a variety of useful objects. For example you can make baskets with crochet. By following the guide on this Easy Free Crochet basketball Patterns, you will be able to make basketball using crochet.
Under each image there is a link that will deliver you to the page on the details of the crochet you are trying to make. Good luck!