Taiki isn't exactly dressed for the beach either, but he grins at Inigo as they arrive. He knows Inigo let him win, Inigo could beat him in a race any day. He could beat him in anything like that.

"Yes." He nodded and picked one up himself, beginning to demonstrate. "Um. I think the sand nearer the sea is better, if it is wet it sticks together better and is easier to build with."