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 :
Tips & Tricks | Creating Music With The Sphero Specdrums – Blog
Amazon.com: Sphero Specdrums (2 Rings) App-Enabled Musical Rings with Play Pad Included - White (SD01WRW2), Package may vary : Toys & Games
CES 2019: Sphero Specdrums transform beautiful colors into music - YouTube