This is my absolute favorite punch...I serve it at all showers!
In LARGE pot/dutch oven bring two cups water to boil and add sugar. Stir to dissolve. Remove from heat and add Kool-ade packets and stir. Stir in remaining water, strawberries, bananas, and concentrates. (I sometime have to blend it in the blender for get a good consistency). Pour into gallon freezer bags and freeze. Set out at least 3 hours to thaw...pour ginger ale on top. Sooo goooood!