FF Koko family fonts (FontFont library) are available in OpenType, TrueType, PostScript (Type1) formats for PC and Mac. You can buy and download them online. Click on the font picture to see more detailed font sample.
FF Koko One
FF Koko Two
FF Koko Three
FF Koko Four
FF Koko Five
Font collection on Fonts-online.com Alphabet font list
