Turn empty soda bottles into fun and creative Bird Feeders! This thistle feeder is especially designed to hold finer grain thistle or niger seed which is a favorite for many types of birds like finches. Just twist his little gadget onto the neck of most soda bottles, add seed and you are ready to feed! It makes a fun project for kids as they can decorate the soda bottles before assembling. Now you've got something really special! Each kit includes base, filling funnel, hanger and instructions. Soda bottles not included. Makes a great gift for the holidays! Package of two.