Air Tight Containers How Long Will Gingerbread Last In An Air-tight Container?

How long will gingerbread last in an air-tight container? - air tight containers

I have ginger "Easter eggs for the children in my class and do not plan not to give up, have until Thursday (5 days). Will they still be good until then, or should I them tomorrow (3 days)? The ingredients:
Butter
brown sugar
Golden Syrup
Flour
Baking powder (baking soda)
Cinnamon
Ginger

Thank you heaps!