Another “analog thing” the two keep around for inspiration, this hand-cranked music box came with papers and a small tool for punching out original melodies. “I like this because it’s not static,” says Sterk. “You have to perform an action for something to happen.” It’s the same idea that informed van Ryswyck’s 2006 Transceiver, a bronze radio that works only as it’s being cranked. “The user becomes the antenna,” explains Sterk. “Your skin has to touch the bronze in order to receive a signal.”