Disney Princess PleyBox Coupon: 30% Off First Box! Posted by Hello Subscription on April 16, 2018. Subscription Box Coupons & Deals / Disney Princess Pleybox Coupons . The links in this post may be affiliate links. Read full disclosure Save for Later Notification Disney Princess Pleybox is offering 30% off your first box when you sign up for a 3 or 6-month subscription! Use coupon code MAKEHERAPRINCESS for a limited time! Are you getting the Disney Princess Box?