"I have castle-building skills from having done it in real life," Curufin answers. "Sand is a useful building material, though I can't say as I've ever built an entire castle from it. Mostly it's used to mix cement. But maybe I can learn." He chuckles.

"You're using these cardboard tubes to help you shape the towers. That's intelligent thinking!" Nothing wrong with making it up as you go!

He sits down to look closely at Ran's castle and to check out the tools she's been using.