Gadjit Soda Bottle Window Bird Feeder (Terra Cotta) -Suctions to Windows Brings Birds Right Up Close, Attaches to Outdoor Window Uses Plastic Soda Bottles Filled Bird Seed Looking for a fun, popular hobby? Feed wild birds! Bird feeder kit that attaches to a soda bottle Color: Terra Cotta. Assemble kit and fill with bird seed. Feeder attaches to an outdoor window. Soda Bottles not included.