When it comes to judging people, John is both generous and mean in different aspects, and in this case, correctly interprets Kalenedral's reaction as having missed the joke. He smiles very slightly and offers no clarification, keeping his attention on his daughter.

Jacqueline hesitantly pulls her hand out of John's and moves toward the legos, crouching to stick her hand in the bucket.

"Sometimes they sell bigger ones..." Because it's not the ghoul's fault he's kind of big and has to hunch over just to play with legos. The big ones might be easier for him to handle and attach to each other. She presses some of the legos more firmly together with her much smaller hands.