PlatformsNintendoNintendo’s new gacha keychains contain real GameCube, N64, and SNES controller parts, giving retro enthusiasts in Japan a surprising source of replacement buttonsWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. PlatformsNintendoNintendo’s new gacha keychains contain real GameCube, N64, and SNES controller parts, giving retro enthusiasts in Japan a surprising source of replacement buttonsWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Nintendo) Nintendo’s new line of capsule toy keychains in Japan offers much more than meets the eye - you can take the retro-style knickknacks apart for fully functional controller parts. Following Nintendo’s announcement of the keychains' availability in its Japan-based stores, fans rushed to …