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

Compatible with Terraforming Mars®, incl. Hellas & Elysium, and Venus Next expansions.

This is an updated version of the Teraforming Mars insert that does not support the Colonies expansion. if you have that expansion, you can use the updated version. 

Insert features: 

• Five player pieces trays
• Two large vertical card storage trays
• Two thin vertical card storage trays
• Two resource trays
• Two greenery hex tile trays
• One ocean tiles tray
• Two trays for the other tiles