Dollhouses for hobbyists and collectors are available in different forms, from ready made and decorated houses to kits to custom built houses made to the customer's design. Some design and build their own dollhouse. Simpler designs might consist of boxes stacked together and used as rooms. Miniature objects used for decoration inside dollhouses include furniture, interior decorations, dolls and items like books, couches, furniture, wallpaper, and even clocks. Some include functional kitchen appliances to create miniature food. Dollhouses for enthusiasts are available ready made and in kits, but may also be homemade.