Thor, so lost in his thoughts, eyes blankly staring to the sky, tripped clear through the castle. At least it wasn't on Wanda herself, less she didn't move or felt like getting in the way. Poor thing. The god of thunder felt his bare feet wade through the raised sand castle and mound before he knew what was happening. He blinked and all at once crashed to the ground on his knees, right in the middle of her masterpiece, elbows baring into the white grit. There was a moment in which he looked angry, though likely more at himself for having not paid attention, than at the girl making a sand fort.
"By the gods, I-" he turned to look back a Wanda and cut himself off, blond hair a bit disheveled from the stumble.
"I am sorry," Thor then said in that deep rumble of a voice, pushing himself to his knees and making the mess he'd begun so much worse. She'd have to start all over, not a wall remained. It could only have been worse if he were The Hulk...