Self-esteem is one of the keys to more happiness and success. This DOIY Design paper game proposes a series of tips to help you believe in yourself and to start to live the life you truly want within 30 days. Start the challenge, and take your ticket every day! Game in German. Available in French: Jeu papier défi en 30 jours Confiance en soi (Reference: A170970-UNIQ).