Compatible with King of Tokyo, incl. Power Up! and Halloween expansions. 

Insert features:

• One monster standee tray
• One monster board tray
• Two trays for cards
• Two trays for dice, cubes and tokens

Compatible with Caverna.

Insert features:

• Two player pieces trays
• Two trays for room tiles, with vertical storage
• Four trays for resources and cards
• Two trays for food and weapon tokens

Compatible with Great Western Trail, and Rails to the North expansion.

Insert features: 

• Four player pieces trays
• For trays for cards and station
• Six trays for other tokens