diff --git a/NightLight.Core.Tests/Arbitraries.fs b/NightLight.Core.Tests/Arbitraries.fs
index 39433dc..379c39e 100644
--- a/NightLight.Core.Tests/Arbitraries.fs
+++ b/NightLight.Core.Tests/Arbitraries.fs
@@ -1,22 +1,29 @@
 namespace NightLight.Core.Tests
 
 open System
+open FsCheck
 open FsCheck.FSharp
 open NightLight.Core.Models
 
 type Arbitraries =
-    static member Interaction() =
-        let genTimeChangedInteraction =
-            gen {
-                let! time = ArbMap.defaults |> ArbMap.generate<DateTime>
-                return Interaction.TimeChanged time
-            }
+    static member Interactions() : Arbitrary<Interaction list> =
+        gen {
+            let genTimeChangedInteraction =
+                gen {
+                    let! time = ArbMap.defaults |> ArbMap.generate<DateTime>
+                    return Interaction.TimeChanged time
+                }
 
-        let genHumanInteraction =
-            gen {
-                let! light = Gen.elements lights
-                let! humanInteraction = Gen.elements [ LightTurnedOn light; LightTurnedOff light ]
-                return Interaction.HumanInteraction humanInteraction
-            }
+            let genHumanInteraction =
+                gen {
+                    let! light = Gen.elements lights
+                    let! humanInteraction = Gen.elements [ LightTurnedOn light; LightTurnedOff light ]
+                    return Interaction.HumanInteraction humanInteraction
+                }
 
-        Gen.oneof [ genTimeChangedInteraction; genHumanInteraction ] |> Arb.fromGen
+            let! initialTimeChangedInteraction = genTimeChangedInteraction
+            let! remainingInteractions = Gen.oneof [ genTimeChangedInteraction; genHumanInteraction ] |> Gen.listOf
+
+            return initialTimeChangedInteraction :: remainingInteractions
+        }
+        |> Arb.fromGen