Refill packs of the Secret Message Dart come packaged with a message decoder and a special pen.
Bodies of the Secret Message Dart are white and red. As their name suggests, a "secret message" can be written on the dart using the special pen packaged with the darts or accompanied blaster. This secret message can then be read by putting the dart in a message decoder.
Secret Message Dart refill packs come in the following sizes:
|Nerf ammunition types|
|Darts||Collectible Dart • DoomLands Dart • Elite Dart • Glow-in-the-dark dart • Mega Dart • Micro Dart • Secret Message Dart • Suction Dart (Rebelle) • Zombie Strike dart|
|Other||Arrow • Ballistic Ball • High-impact round • Missile • XLR disc|