If you mean one that transforms from an O to a star, then go on Youtube and type in the search box "how to make a transforming ninja star" and watch a video. That's how I learned.
There is a really good set of instructions complete with pictures at the link given below. LOOK UP 8 POINTED NINJA STAR iN YOUTUBE. THERES A PERFECT VIDEO iF YOUR A FAST LEARNER.
One method that I use is to chisel a shape of the desired star 3/16ths of an inch deep into a large piece o hard wood. Preferable manzanita or seasoned oak. Fire harden the cast, the you guessed it,...
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