From Twinkie Chan’s blog:

I used acrylic yarn, a small red button, a silver eyelet, and a safety eye with the post snapped off. He’s washable and totally usable!

Yarns used:

• Vanna’s Choice in White
• Vanna’s Choice in Silver Heather
• Vanna’s Choice in Colonial Blue
• A teeny tiny bit of Vanna’s Choic in Aqua for accents
• (You could easily substitute the worsted weight yarns of your choice)
• I used an H hook for this project.