[header] How to make sand cake [title] Take the package of vanilla oreos and separate them into the two resealable freezer bags. [step] Make sure that the bags are sealed air tight, as you are going to be crushing the oreos inside these bags. [title] Begin to crush the oreos using the roller. 
[step] Put both bags of oreos on a hard surface, such as a kitchen counter, and run the roller over both bags continuously. Keep this up until the oreos are completely crushed, making them look like " sand.