If you've ever muttered a few choice curse words after stepping on a Lego block—and who hasn't—you'll appreciate Lego's genius new product: protective slippers. Made as part of a holiday promotion from French advertising agency Brand Station, the slippers are the "ultimate gift" for parents and come with a thickly padded sole so you can stroll through a Lego minefield without worrying about your footsies, report CNET and the Telegraph. Sadly, French blog Piwee notes only 1,500 pairs were made and will be handed out randomly to people who create a wish list on Lego France's website. See how they're made here. (More Lego stories.)