This Dice 6 Face Prefixes (de, re, dis, un, be, ex) Pkt of 2 is the perfect addition to any spelling or English game! Each dice has six sides, each showing one of the prefixes de, re, dis, un, be and ex. This set is ideal for helping students to practice their spelling and English and can be used in a variety of fun and educational activities. Get your set today and help your students master the use of prefixes