Ready to Use: These flash cards come ready to use so you can start studying immediately. Color Coded: Each flash card is color coded for easy identification of the subject area. Includes Study Tips: Study tips are included to help maximize your exam prep! Improves Memorization: Flash cards are proven to improve memorization. Portable: These flash cards are easy to transport, making it convenient to study wherever you are. Sturdy Box Design: The cards come in a durable box that protects the cards and provides easy storage.