Insectsales.com Fruit Fly Culture Kit (Hydei Or Melanogaster) Will make 10 awesome cultures This Fruit Fly Kit will make (10) 32 oz. Fruit Fly Cultures. All you need to do is add the flies (Melanogaster or Hydei) You will receive: (10) 32 oz. clear plastic culture cups with (10) vented fabric lids; (10) packages of our proven Fruit Fly Media; Excelsior for 10 cultures; 1 package Bakers Yeast for (10) cultures. Instructions included. Easy instructions to make 10 cups as pictured. (Again just add flies) We "Quick Ship" (we ship the day you order or the next postal day).