The Big Dipper is a passive item in Glacier's Laboratory, a mod for The Binding of Isaac.

Immunes to Curse of the Lost! permanently.

Entering a new level reveals all rooms in the north of the starting room.

Once per floor, upon reaching one of the northernmost rooms:
• First time visit: Spawns a random item with stars tag.
• Subsequent visits: Refills Isaac's keys or bombs to 5 if he has less than 5, then spawns 3 random pickups at random positions of the room.

The Big Dipper can be found in the following item pools:

The following tags are applied to this item:

• Download Glacier's Laboratory from the Steam Workshop.