This is the large treehouse. It has a 24 x 24" base with a step 12" high followed by another step 24" high and that leads to a house on top of a 36" tall leg. The house is 12" high with a 8 x 8" opening. Fully carpeted inside. 48" to the highest point on top of the house. You also get a natural tree limb for scratching on. Comes in neutral color unless specified. ASSEMBLY IS REQUIRED. Instructions and hardware included.