GraviTrax: Starter Set Card Games This first-ever expansion for Betrayal

This first-ever expansion for Betrayal at House on the Hill adds twenty new rooms

There are 8 keys with the notes printed on them

2-9 Players

Recommended for all ages

perfect for children

GraviTrax: Starter Set Card Games This first-ever expansion for BetrayalThis is truly the ultimate build your own marble run! The combinations are endless. Ravensburger has even created a free Gravitrax app where you can build and test your designs before you construct them in real life. They also have a wide variety of accessories you can buy to add like these new expansion sets. Click here to see the Expansion Sets Click here to see the Accessories