It's easy to find craft projects that require kits and expensive supplies. But it's just as easy to find craft projects using materials you likely have lying around the house. A quick online search brings up thousands of options. Here are some sites to get you started:

Crafts Using Recyclable Materials
(Paper tubes, cans, jars, paper bags, cups, and more!)

Crafts Using Items From Nature
(Shells, stones, pinecones, leaves, etc.)

General Sites
(Handprint designs, basic supplies, etc.)