This kit is designed with wool and wool yarn in mind as the mordant included with the kit is ALUM necessary for animal fibres such as wool.  The kit contains everything needed to dye up to 250g wool or wool yarn, and includes a full instruction leaflet.  
 
Eucalyptus yields a warm pale yellow/brown colour (also like Tundra) when used at 20% Weight of Fibre (%WOF).