diff --git a/src/tests.rs b/src/tests.rs
index dbe5de2..0aa8975 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -146,6 +146,7 @@ create_tests! {
 
     roblox_instance_classes_data_model: "roblox/instance/classes/DataModel",
     roblox_instance_classes_workspace: "roblox/instance/classes/Workspace",
+    roblox_instance_classes_terrain: "roblox/instance/classes/Terrain",
 
     roblox_instance_methods_clear_all_children: "roblox/instance/methods/ClearAllChildren",
     roblox_instance_methods_clone: "roblox/instance/methods/Clone",
diff --git a/tests/roblox/instance/classes/Terrain.luau b/tests/roblox/instance/classes/Terrain.luau
new file mode 100644
index 0000000..3902d21
--- /dev/null
+++ b/tests/roblox/instance/classes/Terrain.luau
@@ -0,0 +1,13 @@
+local roblox = require("@lune/roblox")
+local Instance = roblox.Instance
+local Color3 = roblox.Color3
+local Enum = roblox.Enum
+
+local game = Instance.new("DataModel")
+local workspace = game:GetService("Workspace")
+local terrain = (workspace :: any).Terrain
+
+assert(terrain:GetMaterialColor(Enum.Material.Grass) == Color3.fromRGB(106, 127, 63))
+
+terrain:SetMaterialColor(Enum.Material.Sand, Color3.new(1, 1, 1))
+assert(terrain:GetMaterialColor(Enum.Material.Sand) == Color3.new(1, 1, 1))