New! For your Zenoah Thunderboat: 1/6 Scale Allison Engine Kits Available. Kits are $37.00 including shipping anywhere in the U.S. E-mail us for more information! Paypal accepted. NOW AVAILABLE! Miss K - 1/16 scale Unlimited Hydroplane laser-cut kit based on Garry Finlay's plans of the Karelsen unlimited hydroplanes from the late 60's and early 70's. NEW! Miss U.S. Hydroplane News and Events Vintage Shovelnose semi-scale unlimited hydroplane Look at pictures of our customer's boats.