This pattern is assumed to be for personal-use only, so anything you make with it cannot be sold. If you have questions concerning this, contact the creator of the pattern.
Pattern[]
A pdf of this pattern is available for free here.
Tutorial[]
Go to http://www.adamkreutinger.com/shark-pattern.html or https://www.youtube.com/watch?v=b_LCjL5iBE8 for the video tutorial, or see below.
How to Make a Baby Shark Puppet! (Free Pattern!!!)