1-1b is a card series in Bakugan: Mechtanium Surge. Even though the name shows only one card in the series, there are actually two cards in this series.
| Number | Image | Card Name | Color | Card Type |
|---|---|---|---|---|
| 1/1b | 
|
Fortatron | Battle Suit Reference Card | Reference Card |
| 2/1b | 
|
Clawbruk | Battle Suit Reference Card | Reference Card |