Just think of what you could do with all these colors! Simply trace over the lines of a design or draw directly onto paper. The ink lines make an iron-on pattern you can use multiple times! (Also great for iron-on transfers that no longer imprint.) 

8 Pens: Red, Orange, Yellow, Green, Blue, Purple, Black, Brown
(sorry, colors not sold separately)

x - x - x - x

Also available:
Individual black pens & heavy duty tracing paper