Buy Calpis Water at Japan get free Animal Kaiser card (Sealed) promotion cards.
This is one of the card available within the drink (Nile crocodile)
This is the list how many cards you can get when you buy Calpis Water.
Japan is so creative that they could include a free Animal Kaiser card from a drink bottle, the card is sealed so you don't have to worry about the card. Normal cards, but be happy then...