Rainy Day Fun

What do you do on cold, overcast, rainy days? Us? I load up the kids into the car and drive twenty minutes to the grocery store where they have fun car carts and I push these kids up and down the empty isles while they scream in delight. They LOVE it! The funny part about all this is we go there for the fun of it not because I need groceries......although I always pick something up....need it or not.