Tigris
... that the design of the train for the roller coaster Tigris was revealed in the form of a cake?
... that the design of the <a class="mw-redirect" href="./Train_(roller_coaster)" id="mwARg" rel="mw:WikiLink" title="Train (roller coaster)">train</a> for the roller coaster <b id="mwARk"><a href="./Tigris_(roller_coaster)" id="mwARo" rel="mw:WikiLink" title="Tigris (roller coaster)">Tigris</a></b> was revealed in the form of a <a href="./Cake" id="mwARs" rel="mw:WikiLink" title="Cake">cake</a>?