My periodic table poster is now available! Whole SoundBug speaker. This is a complete SoundBug brand magnetostrictive alloy speaker. See previous sample to see how it works inside. Source: Max Whitby of RGB Contributor: Max Whitby of RGB Acquired: 30 April, 2009 Text Updated: 1 May, 2009 Price: Donated Size: 3" Purity: <50%