Purchasing Best of Trophy packages supports your National Convention. Picture will be shown on Nats2024 soon. Select the category from the list of available categories at : https://nats2024.com/contest Select your top three choices and enter them in the Comments box at Checkout. The Madison Wisconsin Convention team will let you know which category you will be sponsoring. Choices are limited, order now to get the category you are most interested in sponsoring! Sponsors will be announced at the Award Ceremony Saturday night when their category awards are presented. A Class trophy is for each major class of model entries- Aircraft, Armor, Automotive, etc.