The building trays have slots on the sides for easy access and can also be used during gameplay to keep the tiles organized

The thing is

you roll crew dice and place them at different stations aboard your ship

and a bit of cunning

To play Disney Lorcana TCG

Air, Land & Sea Sarahs Speltips The building trays have slotsIn "Air, Land & Sea", two players engage in intense battles with the goal of controlling two of three theaters of war: Air, Land, and Sea. As commander in chief, you must carefully deploy your forces and play your battle cards tactically. Choose whether to play cards face up to activate their abilities or face down as wild cards with a strength of 2. You receive six cards at the start of each battle and must plan carefully, as no more cards are drawn