Unwind and release the day with Knock Knock Affirmators Mantras card deck. These evening mantras help stop anxious thoughts and promote healthier sleep. With 30 hand-illustrated cards and a magnetic closure, these cards are perfect for adults and teens alike. Written by Suzi Barrett and illustrated by Naomi Sloman, bring positive affirmations into your life! Positive affirmation cards make great gifts for teens—and anyone trying to adult!