the bottom opens on one side, the top on the other. Door at the end to let you get eggs from the nest box. DK Claims it's cat coop, no chickens allowed Old Cross country skis nailed to the bottom to make it easy squeezy to slide on the grass. Not done yet, need more plastic roofing for the other side and locks for all the bits that open. There's a ramp that raises and lowers too, but no pic of that right now.