I am sorry… I saw the others answer and everyone did airplanes… I understand it was only a idea… and I could use others wood toys like reference… Sorry, translate mistake. But, what I did was this wood toy house. 
I had used only one cube to start. I think I had used all the knowledge I had learn util know. Hope you like!
UPDATE:
Actually I had used some Loop cuts and slices I already saw in the Lecture 30.