She laughs a bit and shakes her head, glad to see another friendly face here. "Thank you! It would take longer than usual if not for my gloves here. Here-- Let me show you."

Taking off one glove and setting it down carefully, she reaches out and her hand phases right through it. It only touches the sandcastle proper when she puts visible effort into it. When she puts on the glove again, Heiji could see the imprint of her hand left on the sand. "Something about these gloves let me interact with things better! It's amazing."