I'm not taking any special precautions with it. As other commentators noted the bricks themselves will be fine. They're just sitting in a box in a garage. It's

I'm not taking any special precautions with it. As other commentators noted the bricks themselves will be fine. They're just sitting in a box in a garage. It's relatively humid here, so I'm sure the boxes and instruction manual will be in relatively bad shape in 10-20 years. I'm not planning my retirement around this or anything, it was just a relatively inexpensive thing to do, and seemed to be a fun thing to sell on the 100 year anniversary of the moon landings, or alternatively to give it to a child or a grandchild.