It would have been easy enough for hundreds of Japanese steelworkers to cast a steel sculpture the size of a full-grown Serra—it was no doubt trickier to convince them to undertake the playful bit of bricolage Roman Ondak asked of them, a task they eventually carried out with imaginative precision: The artist gave 500 workers a chocolate bar apiece, asking them to save the wrapping paper and sculpt something out of it. A white veneer table, nearly twenty feet across, now serves as a wide pedestal to hold these tiny, shimmering silver sculptures—miniature boats, boots, heads, classical origami,