Learning the importance of kindness is as easy as A-B-C and 1-2-3 with this sweet collection of board books, which foster social emotional development. This bestselling board book series is available in a four-book boxed set--perfect for holiday gifts, birthdays, and baby showers.   Learn to love and love to learn! Support your little one's social-emotional development with these soothing, adorable board books that focus on the most important aspects of life: kindness, gratitude, joy, and friendship.   This boxed set includes:   * ABCs of Kindness   * 123s of Thankfulness   * Happiness is a Rainbow   * Friendship is Forever