Philosopher's Stone - Game

This is a Brain Game... :-)

Each 1-5 participants in the group is a plug-in plate , where three different openings : a circle , a square and a triangle . Now the key question : " What exactly is a shape that fits flush through all three holes ? " It is , really to think creatively and to leave old ways of thinking ! Only if we activate all cerebral creative areas , to design a sketch of this body succeeds . We particularly like the variant , the participants potatoes and a small knife or