Page about natural dyeing, interesting! Maybe research about natural dyes and make a report about it for school?
5 Unexpected Natural Sources of Dye: Avocado pit: yields delicate pink/orange. Prickly Cactus Pear: yields magenta and purple.
How to Dye Fabric Purple Naturally - Boil basil. Links for all colors and natural dyes.
...make natural dyes...