Features: * Brand New & High quality. * This type of feeder is specially designed for ant,which can be a water feeder. * The external ant farm water feeder is convenient for adding water. * It is made of PLA, it is eco-friendly, safe and degradable, non-toxic and odorless, durable, wear-resistant, water-resistant. * This product is excellent for ant observation science. * The water feeder should be used together with PVA water plug cotton and test tube.This product does not contain water plugging cotton and test tube. * It is a good gift for your friends.