Sexy Sandwich Screen Tone Sampler comes with 15 Half-Page Screentones of a random varity. Enough to practice a few small pieces or to draw a sexy sandwhich. These tones are extras and some misprints but entirely useable and ideal for someone that wants to test their feel with screentone. 

Light table recommended but not necessary. 
It's recommended you test the tone on ink and paper due to the tack of some of the tones, it can pull up toothy paper.