A knife changes color from red to white and back again! The knife may then be examined. A fun pocket trick with knives. Other routines are easy, once you know the secret. Includes 1 red knife, 1 white knife, 1 color changing gimmicked knife, and detailed instructions which includes two knockout routines. These are real pocket knives. The purchaser agrees that any damage resulting from handling these knives is their sole responsibility. Midwest Magic can not be held responsible for the use or misuse of this product, so please use care when performing.