Spiderman, Captain America and more showed up to make these kids' day.

For the 3rd year in a row, window washers from Larry's Window Service dressed up as superheroes and dropped in to cheer up the kids at Blank Children's Hospital in Des Moines. You can see the joy in these kids as their favorite superheroes show up outside their windows. Hospital spokesperson, Amy Varoce said, "The smiles say it all when these special friends fly by their room."