64DD Function Expansion Tool ◎ F-ZERO X/EXPANSION KIT ・Nintendo 64, 64DD, and the F-ZERO X game are required to play. ・I don't have a playing environment, so I haven't confirmed its operation. ・The case has some scratches. ・The instruction manual has wrinkles. ・The cartridge has no noticeable scratches or dirt, but the sticker is slightly lifting. ・The sticker is inserted in the instruction manual. ・I plan to ship via Yu-Packet Plus.