Lunchbox Love for Kids with Riddles Volumes 1-8 (96 unique cards) Half year set--96 unique cards Eight volume set--each volume has 12 unique cards. The front of each card has a sweet, heartfelt message. On the back of each card, there is a different fun riddle. Parents love connecting with the sweet message and kids love sharing the riddles with friends. Credit-card size cases fit perfectly in a purse or pocket