River Valley Glassworks: River Glass and Other SundriesNumber of Players: 1 5 A good glassworks is always innovating! Add asymmetric player powers and interesting scoring conditions to add extra complexity and replay ability to River Valley Glassworks. This expansion contains all the stretch goals from the Kickstarter campaign, consisting in 6 modular mini expansions: Assistants: Recruit a friendly assistant for a once per game power! Equipment: Gain a steam boat, sort o matic, pulverizer, and more to