"I'm sorry!" He hadn't even thought there was much to think about. Just put them all on top of each other and he had a tower. But apparently there was. Putting the bigger pieces on the top made it fall over so...

"So I have to put the big ones first!" In size order! That would make it not fall down. He looked around for the biggest trunk he could find and pulled it out from under the jumble. He lifted it high above his head, it was easily bigger than he was, "This one goes first!"