Boxes

There is two boxes that should be added in Bad Piggies.

Ice Box
The Ice Box is the Weakest Box,and is found in most Angry Bird Games.It should be added to Bad Piggies,because:

1.Ice Boxes are used in Angry Birds 1 and 2.

Titanium Box
Leta face it:Metal is strong.But we need a both Heavy and Sturdy Box.This would also make a use for Terrance in the Other bird Games.Terrance would be great at destroying Titanium Boxes.