Make a BIG impression with our premium line of individually boxed DIY metal models. The Kawasaki Ninja is a 2 sheet model 8.3" x 4.3" it offers a larger size with enhanced details. Tweezers included. Kawasaki Ninja is the trademarked name of several series of Kawasaki sport bikes, that started with the 1984 GPZ900R. In feudal Japan, a "ninja" was a covert agent or mercenary specialized in unorthodox combat.