Warning: This may not work because I did it and it only left a litle ink. But, I bet if you press it hard it will come out. Visit putyourforkintoit.com
Step 1: Making the Base
Take some white clay and flatten it.
Step 2: Inputing the Message
Input a message. I'm putting happy father's day. If you don't have letter stamps try sculpting the letters with a tool or go get one from your nearby craft store.
Step 3: Finished :)
Bake it and Finished :). Please visit my website at putyourforkintoit.com to play some fun games.