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Specdrums: playful and smart rings turn the colours around you into a musical instrument - ArchiPanic
Sphero gets into app-enabled music gadgets with the Specdrums ring | Engadget
Sphero Specdrums - Wireless Rings that Create Music
Sphero Specdrums Lets You Turn Color Into Music - YouTube
Review: Sphero Specdrums
Sphero Specdrums for the classroom - Miss Tech Queen
Sphero Specdrums App Enabled Musical Composition Rings - 1 Ring
Sphero Specdrums 2 Anelli musicali, App Specdrums MIX, compatibile iOS e Android : Amazon.it: Giochi e giocattoli
Review: Sphero Specdrums
Amazon.com: Sphero Specdrums (1 Ring) App-Enabled Musical Ring with Play Pad Included - Create Sounds, Loops, Beats for Musicians of Any Skill Level - STEAM Educational Music Toy for Kids, White :
Sphero Specdrums let me turn CES carpets into sweet music - CNET