This set of cards can be used to review finding limits for Calculus or Calculus AP. Each card has a problem displayed in the center of the card and an answer to another problem, in a magnifying glass, at the bottom right of the card. If you use the 10 cards with a red heart you will have a scavenger hunt with 10 cards.If you use the 10 cards with a black club you will have a scavenger hunt with 10 cards. If you use the 20 cards with a blue diamond you will have a combined scavenger hunt with 20 cards. Students will look at limits both analytically and graphically.