by elucidarian
I picked up this a few years back: Betrayal at House on the Hill: Upgrade Kit. It's pretty sweet.Wizkids product page: Betrayal at House on the Hill Upgrade Kit
($14.99 USD from the Wizkids store)
Wizkids product page: Betrayal at House on the Hill Upgrade Kit
($14.99 USD from the Wizkids store)