Beginner level.

Pattern is for a solid color hat, although you could make them any color you like.

Basic understanding of crocheting in the round, inc, dec, sc, simple sewing is required.  
you will need:

3.75 mm hook  
worsted weight yarn in chosen colors  
yarn needle  
scissors 

Finished hat is approximately 3 inches across

This pattern is free with any other pattern from my store :)