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, but not the expansion boards. The New Discoveries boards need to be kept separately in the expansion box. There are two trays for the game cards, with one slot for each of the three eras, and one for the other cards. There is space for all cards to be sleeved with quality sleeves. The tray corners design has been made to imitate the city domes from the game. There are two trays for the plastic city domes, one for each type. There are two separate trays for the farm, desalination plant, laboratory, tunnel, and credit tokens. These can be placed on either side of the game board to put them in easy reach of all players. There are two trays fo