What kind of crafts do you want to know about? You can check on u tube , also it depend on what the students are interested in.
I will give you example as for my business i make candles, jewelry, cross stitch, dream catcher ,key chains.wooden coasters.
Cross stitch like :cross stitch shawls,purses,
keychains, and a lot more.
You should ask them what they are interested in.