Metal Clay + The Silhouette Cameo : The Comprehensive Guide for the Revolutionary Tool in Jewelry and Art Design & Construction 18 Video Chapters in .MP4 Format (plus an intro & finale) / 3 hours of detailed instruction Playable in any computer as DVD contains .MP4 files (not a movie DVD) Hands on instructional guide on how to use Metal Clay with the Silhouette Cameo REQUIRES "The Etching Tool" (for etching) sold separately here: http://amzn.to/265CAKw Read the "Product Description" below for more information