Famously used by David Bowie in his classic hit Space Oddity, the Dübreq Stylophone now bears his name [Amazon]. It's $5 more expensive than a normal stylophone but I'm a complete sucker and I just ordered it.
Limited-edition David Bowie-inspired synthesizer
Special white design featuring embossed Bowie logo
Full colour booklet celebrating David Bowie's work and featuring exclusive contributions and archive photographs
If Bowie used the larger and more wieldy 350 model in the studio, he didn't use its extra features. Here's the isolated stylophone track from the song itself.