How to take a shower with a toddler running around the house

i either have to wake up early (no... i'm sleeping as much as i can before march comes around) OR shower the night before (that isn't pretty the next day) OR pile as many toys as i can into my room and hope he doesn't kill himself while i'm showering. i've been doing that last one, but for the past couple weeks all he cares about is this stupid box and he'll sit in it for 20-30 minutes- playing, talking, reading, hiding, etc... i LOVE this box. i'm going to put boxes all over my house.