Fisher Price TRIO King’s Gatehouse Only $9.99 December 31, 2009 at 3:00 pm by Cindy Livesey | Coupon Codes 0 comments The Fisher Price TRIO King’s Gatehouse is currently only $9.99 over at Amazon. (org $24.99) and it ships free with Amazon Prime. (Thanks Ashley!) The links in the post above may be affiliate links. Read the full disclosure.