1-4s is a card series in Bakugan: Gundalian Invaders.
| Number | Image | Card Name | Color | Card Type |
|---|---|---|---|---|
| 1-4s | 
|
Axator Gear | Battle Gear Reference Cards | Reference Cards |
| 2-4s | 
|
Beamblitzer | Battle Gear Reference Cards | Reference Cards |
| 3-4s | 
|
Blasteroid | Battle Gear Reference Cards | Reference Cards |
| 4-4s | 
|
Nukix Gear | Battle Gear Reference Cards | Reference Cards |