Disney Store takes 40% off a selection of toys, apparel, and housewares via coupon code "BOUNCE40". Shipping starts at $4.95, but orders of $50 or more qualify for free shipping via coupon code "SHIPFREE". Deal ends April 19. Some best bets, with prices after coupon:
Walmart offers the Disney Frozen 60" x 27" Door Poster for $1.99. Choose in-store pickup to avoid the $4.97 shipping fee. That's $4 under the best shipped price we could find. It's made of weather-resistant plastic.