1) Practical joke device 
A Lachsack (German, literally `laugh bag`) is a novelty toy consisting of a small cloth bag containing a plastic box with a push button that, when pressed, plays recorded laughter. The Lachsack was invented in 1968 by German inventor Walter Thiele, the most successful of about 1,600 items he invented.{cn|date=January 2014} The device originated .....