LEGO Atlantis #30040, #30041 & #30042

Here's some Atlantis promo I suppose. There's three of them and here's the picture:

#30040 Octopus with Treasure Ring

#30041 Piranha

#30042 Mini Sub

As for the instruction, here's the link:
- #30040 Octopus with Treasure Ring

- #30041 Piranha

- #30042 Mini Sub

Sources from Eurobricks.