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Item icon
Item altar
"Extra active item room"
Table dividing line 1.png
Item ID
Character Appearance
Character appearance
Table dividing line 2.png
Table dividing line 3.png
Collection Grid
Removed in Repentance(page 5, column 9, row 3)
Added in Repentance(page 5, column 10, row 3)
Unlock Method
Schoolbag Enter every Shop from chapter 1 through chapter 3 in one run
Added in Afterbirth †

Schoolbag is an unlockable passive item added in Afterbirth †.

Effects[edit | edit source]

  • Allows Isaac to hold two active items.
    • Swap between active items by pressing the Control key (PC), R2 (PlayStation), RT (Xbox), or ZR (Nintendo).

Notes[edit | edit source]

  • The button to swap between active items is the same button used to swap between cards and pills.
  • Items in the secondary slot will recharge at the same rate as the primary item.
  • Items that grant temporary effects for the room, such as 15►The Nail The Nail, may deactivate if switched with an item in the secondary slot.
  • The ? Card ? Card does not activate both active items.
  • While holding an active item that grants passive bonuses in the secondary slot, swapping the main slot item with a pedestal item may remove the bonuses. If this happens, you can swap the bonus-granting item to the pedestal and pick it up again to regain them.
  • The swap key must be pressed twice if playing as The Forgotten.
  • This item cannot be unlocked if the player encounters more than one Curse of the Labyrinth in Chapters 1-3, except by chance of finding Silver Dollar Silver Dollar, 15►Forget Me Now Forget Me Now, or a 5-pip Dice Room.

Synergies[edit | edit source]

  • 15►Kamikaze! Kamikaze!: The cooldown before the player can use Kamikaze! again is eliminated when switching items. Depending on how fast the player can push the buttons, Kamikaze! can be used multiple times during Isaac's invincibility frames.
  • 15►Mom's Box Mom's Box: If a trinket is picked up while Mom's Box is in the active slot, swapping between active items will not remove the doubled trinket effect.
  • 15►A Pony A Pony / 15►White Pony White Pony: Will continue to grant flight and the speed bonus while held in the secondary slot.

Interactions[edit | edit source]

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • Schoolbag was added in Booster Pack #4, after the initial release of the DLC.
  • Schoolbag is based on the Schoolbag item from the Binding of Isaac: Rebirth mod, Antibirth.

Bugs[edit | edit source]

Bug Bug! Removing Schoolbag using 15►D100 D100, 15►D4 D4, or through being granted the effect from 15►Metronome Metronome and using it again, does not cause the second active item to be removed or dropped into a pedestal; Isaac will still be able to hold his second active item until he picks up another active item, which will then remove the second slot and delete the active item contained.
Bug Bug! Re-rolling by Dice Room removes the primary active item but the second one remains unchanged, allowing another active item to be picked up. Picking up another active item after this will result in the previous bug; the second slot is removed and the active item contained is deleted.
Bug Bug! As of V1.06.J168, the item inside the Schoolbag has a minor graphical glitch when picking up a third active item. For a single frame as the pickup animation ends, the item's "charged glow" status and number of bars will match the item that Isaac is picking up.
Bug Bug! When 15►Isaac's Tears Isaac's Tears is in the first active item slot, the secondary item does not charge upon clearing rooms.

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