Artist Heidi Kumao took wedding cakes to a new level at her wedding. The Wed-o-matic featured rotating cakes, topped by figurines resembling the bride and groom. Each figurine was wired to a 12,000 transformer. When plugged in, sparks jumped between the two figurines. There's a video of it in action, as well as an article on how they put it together, at http://heidikumao.net/wed.html.