A man stands hunched over a table, hand to his forehead, biting his lip in nervousness. On either side of him, his friends gather, shouting with anticipation. On the table in front of them is a single, rectangular block of wood, standing on it’s end like a tower. A very stable tower. The nervous man raises his hand to touch it. To the side, a box lies open with the label “Jenga For Beginners.”