When you place a chicken coop on your farm you will get a popup message telling you that you found "Mystery Eggs". You will be able to share the eggs using the usual "Share the wealth" message.

All your friends will get the message that you found some Mystery Eggs and can click on "Hatch an egg" When you click on Hatch and egg you will receive one of the gifts listed below. If you hatch a White Mystery egg you will get a chicken coop if you do not already have one placed on your farm.

After you place chickens in your coop and they are 100% ready you will find occasionally find special eggs or "mystery eggs" when you harvest them.

When you harvest from a chicken coop you have a chance to get a mystery egg however it appears from reading forums that the chance is pretty small.

The best way to get a mystery egg for sure is:

1. Sell your chicken coop if you have one placed on the farm. Be sure to remove all the chickens first.
2. Have you friends gift you chicken coops.
3. Each time you place a chicken coop on the farm you will get mystery eggs that you can share.
4. If a bunch of friends are doing this the will be egg hatch an egg message all over you facebook wall!
5. Make sure you have a coop on the farm when you hatch any egg or you will get a chicken coop instead of one of the other prizes.