Best use of a chemo box

So I have been getting liquid chemo delivered by home health in a Styrofoam type box with ice packs and bubble wrap.  We have just been throwing them away, not sure what else we can do with them......until today.  We are still throwing them away, but we are utilizing them for fun first.

we turned then into the game where you try to make squares on a grid.  One for Annie and one for Daniel.  Trying to find fun wherever we can.