Mix flour , sugar and salt. In bowl made * well *. Pour into it the egg, and in the end allocate the butter into small pieces. Mix the dough with your hands and leave it for 1 hour or overnight in the refrigerator. Then prepare if on floured surface. Cut shapes with different figures and Grill 15-20 minutes at 200C. For glaze Stir icing sugar with water and apply it cool cookies. Finally, decorate with chocolate sprinkles, coconut or small candies.