Amazon.com: EG STARTS 5 Pcs/lot Arcade Buttons LED 100mm Big Dome Shaped 12V LED Push Button Switch Compatible for Arcade Machine DIY Kit Video Games Parts Pop'n Music : Video Games
PlasmaFire.org: Pop'n Music Arcade-Style Controller
PlasmaFire.org: Pop'n Music Arcade-Style Controller
Popn Music Pc Controller - Gamepads - AliExpress
Pop'n Music Controller - DownloadFree3D.com
Konami Pop'n Music Controller PSI & PS2 Japanese Import ***USA Seller*** | eBay