Frame, slats and mattress included. It extends while you baby grows up to a twin bed. This is over 250 new and only asking 130obo and must move this sunday. I also have alot of baby boy/boy and girls clothes for sale for 1-5 a piece depending on the items Lots of toys too! Household, decor, kitcheb & random items are for sale. I will give away or give discounts for a good size bundle.