That's a fun idea! We could have a different Grinch-themed activity or craft for each day of the advent calendar. For example, we could make Grinch ornaments or Grinch-themed decorations for the house. We could also watch a different Grinch movie or read a different Grinch story every day leading up to Christmas. There are so many possibilities for a Grinch-themed advent calendar! What would you like to include in your Grinch-themed advent calendar?