Learning Resources POP Games POP for Sight Words. Reach into this popcorn themed game box to help children improve their use of high frequency words! This Learning Resources bestselling POP game features popcorn shaped cards that feature the top 92 high frequency sight words. Children simply pick a card from the box before stating and correctly using the featured sight word. If they use the word correctly, they get to keep the card. The extra ‘POP’ cards keep children on their toes. This award-winning fast paced game promotes fluency.