diff --git a/LEGO1/mxcompositepresenter.cpp b/LEGO1/mxcompositepresenter.cpp
index 1275f317..97df8d5f 100644
--- a/LEGO1/mxcompositepresenter.cpp
+++ b/LEGO1/mxcompositepresenter.cpp
@@ -37,8 +37,21 @@ void MxCompositePresenter::VTable0x5c()
 	// TODO
 }
 
-// OFFSET: LEGO1 0x100b6b40 STUB
-void MxCompositePresenter::VTable0x60(undefined4 p_unknown)
+// OFFSET: LEGO1 0x100b6b40
+void MxCompositePresenter::VTable0x60(MxPresenter* p_presenter)
 {
-	// TODO
+	for (MxCompositePresenterList::iterator it = m_list.begin(); it != m_list.end(); it++) {
+		if (*it == p_presenter) {
+			if (++it == m_list.end()) {
+				if (m_compositePresenter)
+					m_compositePresenter->VTable0x60(this);
+			}
+			else if (m_action->IsA("MxDSSerialAction")) {
+				MxPresenter* presenter = *it;
+				if (!presenter->GetCurrentTickleState())
+					presenter->SetTickleState(TickleState_Ready);
+			}
+			return;
+		}
+	}
 }
diff --git a/LEGO1/mxcompositepresenter.h b/LEGO1/mxcompositepresenter.h
index c8eedfaf..bf4f8fb1 100644
--- a/LEGO1/mxcompositepresenter.h
+++ b/LEGO1/mxcompositepresenter.h
@@ -1,8 +1,10 @@
 #ifndef MXCOMPOSITEPRESENTER_H
 #define MXCOMPOSITEPRESENTER_H
 
+#include "compat.h" // STL
 #include "mxpresenter.h"
-#include "mxunklist.h"
+
+class MxCompositePresenterList : public list<MxPresenter*> {};
 
 // VTABLE 0x100dc618
 // SIZE 0x4c
@@ -26,11 +28,11 @@ class MxCompositePresenter : public MxPresenter {
 
 	virtual void VTable0x58();
 	virtual void VTable0x5c();
-	virtual void VTable0x60(undefined4 p_unknown);
+	virtual void VTable0x60(MxPresenter* p_presenter);
 	virtual MxBool VTable0x64(undefined4 p_unknown);
 
 private:
-	MxUnkList m_list;
+	MxCompositePresenterList m_list;
 };
 
 #endif // MXCOMPOSITEPRESENTER_H