This is the first CATAN 3D Expansion!

About Catan: 3D Expansions – Seafarers + Cities & Knights, from BoardGameGeek:

CATAN: 3D Expansions – Seafarers + Cities & Knights features two expansions to use with CATAN: 3D Edition that bring new - yet familiar - experiences to the table. In CATAN – Seafarers, you send ships to explore uncharted islands to build new settlements and discover valuable gold. In CATAN: Cities & Knights, you develop cities and join forces with your neighboring factions to defend Catan against ruthless barbarians! -description from the publisher