diff --git a/reasoning_gym/graphs/__init__.py b/reasoning_gym/graphs/__init__.py
index a70816df..43cab6a7 100644
--- a/reasoning_gym/graphs/__init__.py
+++ b/reasoning_gym/graphs/__init__.py
@@ -1,7 +1,7 @@
 from .course_schedule import CourseScheduleConfig, CourseScheduleCurriculum, CourseScheduleDataset
 from .family_relationships import FamilyRelationshipsConfig, FamilyRelationshipsDataset
 from .largest_island import LargestIslandConfig, LargestIslandCurriculum, LargestIslandDataset
-from .quantum_lock import QuantumLockConfig, QuantumLockDataset
+from .quantum_lock import QuantumLockConfig, QuantumLockCurriculum, QuantumLockDataset
 from .shortest_path import ShortestPathConfig, ShortestPathCurriculum, ShortestPathDataset
 
 __all__ = [
@@ -9,6 +9,7 @@ __all__ = [
     "FamilyRelationshipsDataset",
     "QuantumLockConfig",
     "QuantumLockDataset",
+    "QuantumLockCurriculum",
     "LargestIslandDataset",
     "LargestIslandConfig",
     "LargestIslandCurriculum",
diff --git a/reasoning_gym/graphs/quantum_lock.py b/reasoning_gym/graphs/quantum_lock.py
index e2196906..7f0b5431 100644
--- a/reasoning_gym/graphs/quantum_lock.py
+++ b/reasoning_gym/graphs/quantum_lock.py
@@ -4,6 +4,7 @@ from dataclasses import dataclass
 from random import Random
 from typing import Any, Optional
 
+from ..coaching import AttributeType, BaseCurriculum, ScalarAttributeDefinition
 from ..factory import ProceduralDataset, register_dataset
 
 
@@ -47,14 +48,15 @@ Buttons:
                 - metadata: dict with generation parameters
         """
         rng = Random(self.seed + idx)
+        difficulty = rng.randint(1, self.config.difficulty)
 
-        puzzle_data = self.generate_quantum_puzzle(rng, self.config.difficulty)
+        puzzle_data = self.generate_quantum_puzzle(rng, difficulty)
 
         return {
             "question": self.format_puzzle(rng.choice(self._prompt_templates), puzzle=puzzle_data),
             "answer": " → ".join(puzzle_data["solution"]),
             "metadata": {
-                "difficulty": self.config.difficulty,
+                "metadata": {"difficulty": difficulty},
                 "solution_path": puzzle_data["solution"],
                 "target_value": puzzle_data["target_value"],
                 "buttons": puzzle_data["buttons"],
@@ -233,5 +235,21 @@ Buttons:
         )
 
 
+class QuantumLockCurriculum(BaseCurriculum):
+    def __init__(self):
+        super().__init__(QuantumLockCurriculum.__name__, QuantumLockConfig)
+        self._define_attributes(
+            ScalarAttributeDefinition(
+                name="difficulty",
+                field_name="difficulty",
+                levels=list(range(1, 11)),
+                default_level=0,
+                attr_type=AttributeType.STATIC,
+                description="The difficulty of the puzzle",
+                min_value=1,
+            )
+        )
+
+
 # Register the dataset
-register_dataset("quantum_lock", QuantumLockDataset, QuantumLockConfig)
+register_dataset("quantum_lock", QuantumLockDataset, QuantumLockConfig, QuantumLockCurriculum)
diff --git a/tests/test_quantum_lock.py b/tests/test_quantum_lock.py
index cf9693e6..6cac9ffa 100644
--- a/tests/test_quantum_lock.py
+++ b/tests/test_quantum_lock.py
@@ -1,6 +1,6 @@
 import pytest
 
-from reasoning_gym.graphs.quantum_lock import QuantumLockConfig, QuantumLockDataset
+from reasoning_gym.graphs.quantum_lock import QuantumLockConfig, QuantumLockCurriculum, QuantumLockDataset
 
 
 def test_quantumlock_config_validation():
@@ -37,7 +37,6 @@ def test_quantumlock_items():
 
         # Check metadata contains required fields
         assert "solution_path" in item["metadata"]
-        assert "difficulty" in item["metadata"]
         assert "buttons" in item["metadata"]
         assert "initial_state" in item["metadata"]
         assert "target_value" in item["metadata"]
@@ -115,3 +114,73 @@ def test_quantumlock_scoring():
         if solution:
             lower_solution = "".join(solution).lower()
             assert dataset.score_answer(lower_solution, item) == 1.0
+
+
+def test_quantum_lock_curriculum():
+    """Test the QuantumLockCurriculum functionality"""
+    curriculum = QuantumLockCurriculum()
+
+    base_value = {"size": 150, "seed": 1}
+
+    # Test initial configuration
+    base_cfg = curriculum.generate_configuration(base_value)
+    assert base_cfg.seed == 1
+    assert base_cfg.size == 150
+    assert base_cfg.difficulty == 1  # Default difficulty level
+
+    # Test incrementing difficulty attribute
+    curriculum.increment_attr_level("difficulty")
+    increased_cfg = curriculum.generate_configuration(base_value)
+    assert increased_cfg.difficulty == 2
+    assert increased_cfg.seed == 1  # Unchanged
+    assert increased_cfg.size == 150  # Unchanged
+
+    # Test incrementing difficulty attribute again
+    curriculum.increment_attr_level("difficulty")
+    increased_cfg_2 = curriculum.generate_configuration(base_value)
+    assert increased_cfg_2.difficulty == 3
+
+    # Test decrementing difficulty attribute
+    curriculum.decrement_attr_level("difficulty")
+    decreased_cfg = curriculum.generate_configuration(base_value)
+    assert decreased_cfg.difficulty == 2
+
+    # Test global level adjustments
+    curriculum = QuantumLockCurriculum()  # Reset curriculum
+    assert curriculum.get_attr_level("difficulty") == 0  # Default level is 0, maps to difficulty=1
+
+    # Increase global level
+    curriculum.increment_global_level()
+    assert curriculum.get_attr_level("difficulty") == 1
+
+    global_level_cfg = curriculum.generate_configuration(base_value)
+    assert global_level_cfg.difficulty == 2
+
+    # Increase global level again
+    curriculum.increment_global_level()
+    assert curriculum.get_attr_level("difficulty") == 2
+
+    global_level_cfg_2 = curriculum.generate_configuration(base_value)
+    assert global_level_cfg_2.difficulty == 3
+
+    # Decrease global level
+    curriculum.decrement_global_level()
+    assert curriculum.get_attr_level("difficulty") == 1
+
+    global_level_cfg_3 = curriculum.generate_configuration(base_value)
+    assert global_level_cfg_3.difficulty == 2
+
+    # Test upper bound
+    curriculum = QuantumLockCurriculum()  # Reset curriculum
+    for _ in range(15):  # Try going beyond max level (10)
+        curriculum.increment_attr_level("difficulty")
+
+    max_cfg = curriculum.generate_configuration(base_value)
+    assert max_cfg.difficulty == 10  # Should be capped at 10 (the highest level)
+
+    # Test lower bound
+    curriculum = QuantumLockCurriculum()  # Reset curriculum
+    curriculum.decrement_attr_level("difficulty")  # Try going below min level
+
+    min_cfg = curriculum.generate_configuration(base_value)
+    assert min_cfg.difficulty == 1  # Should be capped at 1 (the lowest level)