Here's a few themes we have done:
Back to School!
Apples
Friends
Homes and Houses
Farmer's Market
Forests and Trees
Animals of the Night
Pumpkin Patch
Thanksgiving
Christmas
Snow
Chilly Animals
Fairy Tales
Dr. Seuss
Jelly Beans (Easter)
Bugs
Weather
Ponds
Bugs
Beach
Pre-K Around the World-Social Studies
Voting and Election PBL
Wedding of Q & U