a little royal icing
black food coloring + brush or
black food color pen
Fill the Royal Icing into a pastry bag with a narrow tip (if it isn't in there already from the gingerbread heart-decorating) and pipe about 1 cm small dots on a sheet of baking paper.
Every now and then, flatten the tips before they dry. Set the dots to dry for several hours.With the black food coloring, paint small black dots as pupils to the royal icing, let dry.
Store in a plastic container and use for bats , reindeer, Cookie Monsters, etc.!