Merchant

The Merchant is a new feature that came in the 1.1 update. It pops up daily under the popup up area, and it looks like a blimp. It contains one free item that could vary between money or war gems or even mutations. It will have three other choices that you wouldn't find anywhere else, like War gems for apples, lumber, etc. You only get once chance to decide on purchasing the items that day, if you exit the screen, the blimp and menu will disappear until tomorrow.