underwater cities insert fs uwc folded spaceNote: Insert designed for game with external box dimensions of 23. 1 x 32. 0 x 7. 1 cm. Insert compatible with Underwater Cities, and the New Discoveries expansion. The design provides both efficient storage and improved game play. Many of the trays can be utilised during the game, and they greatly aid set up and clear away times. The rules and boards act as a lid on top of the trays. The insert has space for the components of the game and expansion,