1030/1090 MHZ

Coloring pages usually being used as a fun activity for children; they also can be used as a teaching and educating tool, to introduce new things for children The coloring pages in this work depict few of the invasive species in America, that were introduced by man.
The name of the work – 1030/1090 MHz – comes from the aviation world, and indicates the radio frequencies of the IFF (Identifying Friend or Foe) device, that allows identifying other flying vessels.

You are invited to print a copy