This new way to quickly paint figures without a paintbrush, draw it on. 
This innovative way to paint, first apply a base coat, ( lighter the better)  then apply. 
You do need to "charge" the nibs and these are /need replacing if they dry out. ( New Nibs are available) 
introductory set includes

ORK Skin - Green, 
Zealot Yellow
Blood Red
 mixing ball pre loaded into marker. 

An ideal Gift for to add to the Miniature painting Arsenal .