diff --git a/reasoning_gym/geometry/__init__.py b/reasoning_gym/geometry/__init__.py
index 6e4e2d1a..42a8731a 100644
--- a/reasoning_gym/geometry/__init__.py
+++ b/reasoning_gym/geometry/__init__.py
@@ -1,9 +1,10 @@
 from .advanced_geometry import AdvancedGeometryConfig, AdvancedGeometryDataset
-from .simple_geometry import SimpleGeometryConfig, SimpleGeometryDataset
+from .simple_geometry import SimpleGeometryConfig, SimpleGeometryCurriculum, SimpleGeometryDataset
 
 __all__ = [
     "SimpleGeometryConfig",
     "SimpleGeometryDataset",
+    "SimpleGeometryCurriculum",
     "AdvancedGeometryConfig",
     "AdvancedGeometryDataset",
 ]
diff --git a/reasoning_gym/geometry/simple_geometry.py b/reasoning_gym/geometry/simple_geometry.py
index 665a440f..b6ac5819 100644
--- a/reasoning_gym/geometry/simple_geometry.py
+++ b/reasoning_gym/geometry/simple_geometry.py
@@ -2,6 +2,7 @@ import random
 from dataclasses import dataclass
 from typing import Optional
 
+from ..coaching import AttributeType, BaseCurriculum, RangeAttributeDefinition
 from ..factory import ProceduralDataset, register_dataset
 
 
@@ -114,6 +115,7 @@ class SimpleGeometryDataset(ProceduralDataset):
                 "missing_angle_raw": missing_angle,
                 "missing_angle_rounded": missing_angle_rounded,
                 "total_interior_sum": total_sum,
+                "difficulty": {"sides": n_sides},
             },
         }
 
@@ -142,5 +144,24 @@ class SimpleGeometryDataset(ProceduralDataset):
         )
 
 
+class SimpleGeometryCurriculum(BaseCurriculum):
+    def __init__(self):
+        super().__init__(SimpleGeometryCurriculum.__name__, SimpleGeometryConfig)
+
+        # Define attributes
+        self._define_attributes(
+            RangeAttributeDefinition(
+                name="sides",
+                levels=[5, 10, 25, 50],
+                default_level=1,
+                description="Number of sides in the polygon.",
+                attr_type=AttributeType.APPEND,
+                min_value=3,
+                lower_field_name="min_sides",
+                upper_field_name="max_sides",
+            )
+        )
+
+
 # Register the dataset so it can be accessed similarly to the others
-register_dataset("simple_geometry", SimpleGeometryDataset, SimpleGeometryConfig)
+register_dataset("simple_geometry", SimpleGeometryDataset, SimpleGeometryConfig, SimpleGeometryCurriculum)
diff --git a/tests/test_simple_geometry.py b/tests/test_simple_geometry.py
index 804cf15a..36b45d10 100644
--- a/tests/test_simple_geometry.py
+++ b/tests/test_simple_geometry.py
@@ -1,6 +1,6 @@
 import pytest
 
-from reasoning_gym.geometry.simple_geometry import SimpleGeometryConfig, SimpleGeometryDataset
+from reasoning_gym.geometry.simple_geometry import SimpleGeometryConfig, SimpleGeometryCurriculum, SimpleGeometryDataset
 
 
 def test_simple_geometry_config_validation():
@@ -78,3 +78,24 @@ def test_simple_geometry_dataset_iteration():
     first_items = list(dataset)
     second_items = list(dataset)
     assert first_items == second_items, "Multiple iterations should yield the same items."
+
+
+def test_simple_geometry_curriculum():
+    curriculum = SimpleGeometryCurriculum()
+
+    base_value = {"size": 150, "seed": 1}
+
+    base_cfg: SimpleGeometryConfig = curriculum.generate_configuration(base_value)
+    assert base_cfg.seed == 1
+    assert base_cfg.size == 150
+    assert base_cfg.min_sides == 5 and base_cfg.max_sides == 10
+
+    # test incrementing attribute levels
+    curriculum.increment_attr_level("sides")
+    increased_cfg = curriculum.generate_configuration(base_value)
+    assert increased_cfg.min_sides == 5 and increased_cfg.max_sides == 25
+
+    # test decrementing attribute level for sides again
+    curriculum.decrement_attr_level("sides")
+    partially_decreased_cfg = curriculum.generate_configuration(base_value)
+    assert partially_decreased_cfg.min_sides == 5 and partially_decreased_cfg.max_sides == 10