- [Project Sekai Colorful Stage! feat. Hatsune Miku] collection metallic placard series is now available!
- Character cards and unit cards are included, and the unit cards are luxuriously stamped!
- The back side is full of information on each character's profile and units.
- The more you collect, the more [Project Sekai Colorful Stage! The world of feat. Hatsune Miku is expanding.