These items can be found in the Supplies in Nintendogs, not including the 3DS version. Some of them can be bought from the Pet Supply and/or Discount store whereas others can only be found on walks. Some of these items are exclusive to different games; for instance, the red bone is only availabled in Dachshund & Friends. There are seven categories in the Supplies: Sports, Toys, Accessories, Care, Music, Clock, and Etc.