You can purchase the "Monthly package" from the banner on the bottom right screen of your lobby.

1,200 UC will be provided on your first purchase and the "Chicken medals" can be acquired by selecting the "Acquired" button on the pop up that you see when you select the "Monthly package" page.

The acquiring button of the "Chicken medal" is reset everyday at 9 AM and you must purcahse all 30 times in order to purchase it again.

Please note, if you have consumed any of your UC or Chicken medals, your purchase won't be aligible for refunds.