Zeppelin is the blimp or "air torpedo" which is rode by Nefus, to help you by giving you a little bit of Gold or Food and Exp . Only your friends or neighbors can send this to your island by assisting.
Zeppelin is a animation related to Visit-assist other contacts playing the game, a feature in-game you can acces through the "Visit" button, that is visible when you click on any contact's tab you have on game screen. Used to show in the visited/assited's screen what buildings the visitor-sender choosed and targeted to aid.
There is no user's control on how many gold, food or experience is giften, nor that is taken from sender's resources.
Steps for Sending a Zeppelin -
1- Click Visit in the one of the Contacts showed on low main screen to visit their island and select the buildings you want to assist. (send the Zeppelin)
2- When you visit his/her city you will see this image
shown below when you hover your pointer on the buildings/habitat ,etc.
3- Click on any building/habitat you want and the Zeppelin will be sent to that person.
4- When he/she opens his/her Dragon City, a Zeppelin which has been sent appears on the island.
Notes:
- When click on Farms, you gift and EXP; when you click on Habitats you will give and EXP.
- You can gift your friends once per day, and can select up to 5 buildings for each one.
- Only those who receive and accept the gift can see the zeppelin animation.