Carton is shaped like Christmas tree, double-layered surface of conical section having hinged flaps which can opened to reveal pictures on inner layer, so that carton acts as Advent calendar

摘要

The carton is shaped like a Christmas tree. The double-layered surface of the conical section (20) has hinged flaps (25) which can be opened to reveal pictures on the inner layer, so that the carton acts as an Advent calendar.