One option is to paint them, but an easier one is to add self adhesive wallpaper that will hide the tears and give it an upgrade in style. (industrystandarddesign.com)
To make your own Christmas play dough mats, just print out the play dough mats and laminate them or cover them in self adhesive paper. (picklebums.com)
I had a similar problem recently when I put up a bunch of mirror pieces with self adhesive back. (domesticimperfection.com)