Mothership Music - Mattel Synsonics Vintage Synth Drum Pad. Super rad 80s analog drum machine famously used by Kraftwerk! Lots of possibilities for modding/circuit bending. Includes case, adapter, sticks, and manual. $75
Synsonics Drums from Mattel Electronics - Features & Demo - YouTube
Mattel Synsonics Drums - CV Mod by Brian Tuley at Coroflot.com
Mattel Synsonics Drum Machine 1981 - Vintage Hong Kong 80s - UNTESTED For Parts | eBay
Mattel Electronics Synsonics Drums 80's Analog Drum Machine | Reverb