Pop for Sight words comes highly recommended by the Giles Brothers and their mom Sarah of the Pearl Program. 

They love it for practicing sight words in a fun and engaging way before, during, or after their reading lessons.  

From Amazon: About this item

• BUILD early literacy, increase vocabulary, and improve fluency
• Cards can be used on their own as flash cards for early reading activities
• Two to 4 kids compete to read and collect the most popcorn pieces.
• Set includes 100 die-cut popcorn cards (92 with sight words and 8 Pop cards for game play) and storage box, For 2-4 players - Ages 5+