10 Frame Expansion KitThis 10 frame expanding apiary kit gives an established 10 frame colony a second story to grow into: a complete deep brood box and medium honey super in assembled woodenware, ready to paint and stack on your hive. It's the straightforward way to add room when your bees have filled their first box and need space for more brood and honey. What's in the kit Screened bottom board Reversible entrance reducer Deep brood chamber Medium honey super 10 deep