Wal-Mart is offering a free sample of Cascade Complete All-in-1 ActionPacs. From the website:
Get your dishes completely clean without doing any of the work. Let a Cascade Complete All-in-1 ActionPac do it all: pre-wash, dissolve and rinse.
The new Cascade Complete All-in-1 cleaning system removes tough food. It actually breaks down, dissolves and washes away food particles in the dishwasher. One ActionPac has all you need to tackle a tough load of dishes and deliver clean, spotless results.Just click here and then click "Get Samples" at the bottom of the page. You'll also get a free sample of the "Mr. Clean Magic Eraser."