The BD Micron Robots variable dingbats font features 52 Microns – micro-tiny robot characters with 5 mutations. The variable font technology helped breathing live into the BD Micron Robots See them in action.
The Muta1 version of the font shows the Micron Robots in its original shape. Muta5 is the final stage of the Micron Robots mutations. The Variable version of the Micron Robots font is a variable font and you can determine the grade of the mutation between Muta1 and Muta5 by yourself.
By the way: The BD Micron Robots perfectly fit together with the BD Micron Font, also available here at MyFonts.