15 Cards: The students use visual discrimination to find the item that is different from a group of four. All items are St. Patrick's Day themed and include shamrocks, rainbows, leprechauns, pot of gold leprechaun searching kids.Click here for preview.*****READ MORE ABOUT BOOM CARDS: Boom Cards are self-grading, DIGITAL resources. They live in the cloud. They can't be printed. They play on most modern browsers, Android, iPads, iPhones, and Kindle Fires. You open a Boom Learning℠ account to play