After something to do on a rainy day? Take your time wandering around the interesting exhibits at Museum of Chinese Printing. There's always an opportunity to learn something new.
You're spoiled for sightseeing choice when staying in Daxing. Museum of Chinese Printing is a great place to start here, but there are loads of other fine attractions to experience. Beijing Garden of World Flowers, and Beijing World Park are close to the museum and will round out your day nicely.