Cast on 28sts in yellow wool
St-st 8 rows 
Change to black wool and st-st 2 rows
Change back to yellow and st-st 4 more rows
Continuing in yellow knit 2 tog to end
Purl 1 row
Knit 2 tog to end 
B and T

Sew up hat and then using black wool add a quirky mouth and fun hairstyle. Then add either one or two big googly eyes.