Well, there were action figures and some plushies (tho the UFO plushies i dunno if they're based on the anime, but they sure look anime-ish enough)
http://www.toyarchive.com/TMNT/NinjaTurtles.html <- anime figs
http://ufocatcher.net/ufoplush/ninja.../tmntmain.html <- anime plushie
Edit: the page is GONE!
the only thing i found while looking at that site's directory was this:
http://ufocatcher.net/ufoplush/ninjaturtles/ninja3.jpg