diff --git a/source/hazard/hbwheel.cpp b/source/hazard/hbwheel.cpp
new file mode 100644
index 000000000..36d7028a6
--- /dev/null
+++ b/source/hazard/hbwheel.cpp
@@ -0,0 +1,81 @@
+/*=========================================================================
+
+	hbwheel.cpp
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HBWHEEL_H__
+#include "hazard\hbwheel.h"
+#endif
+
+#ifndef __VID_HEADER_
+#include "system\vid.h"
+#endif
+
+#ifndef __LEVEL_LEVEL_H__
+#include "level\level.h"
+#endif
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelHazard::init()
+{
+	CNpcHazard::init();
+
+	m_rotation = 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelHazard::processMovement( int _frames )
+{
+	m_rotation += 10 * _frames;
+	m_rotation &= 4095;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelHazard::render()
+{
+	CHazardThing::render();
+
+	// Render
+	DVECTOR renderPos;
+	DVECTOR	offset = CLevel::getCameraPos();
+
+	renderPos.vx = Pos.vx - offset.vx;
+	renderPos.vy = Pos.vy - offset.vy;
+
+	if ( renderPos.vx >= 0 && renderPos.vx <= VidGetScrW() )
+	{
+		if ( renderPos.vy >= 0 && renderPos.vy <= VidGetScrH() )
+		{
+			SVECTOR rotation;
+			rotation.vx = 0;
+			rotation.vy = 0;
+			rotation.vz = m_rotation;
+
+			VECTOR scale;
+			scale.vx = ONE;
+			scale.vy = ONE;
+			scale.vz = ONE;
+
+			m_modelGfx->Render(renderPos,&rotation,&scale);
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelHazard::collidedWith( CThing *_thisThing )
+{
+	// do not collide
+}
diff --git a/source/hazard/hbwheel.h b/source/hazard/hbwheel.h
new file mode 100644
index 000000000..dba5b1ebe
--- /dev/null
+++ b/source/hazard/hbwheel.h
@@ -0,0 +1,33 @@
+/*=========================================================================
+
+	hbwheel.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __HAZARD_HBWHEEL_H__
+#define __HAZARD_HBWHEEL_H__
+
+#ifndef __HAZARD_HAZARD_H__
+#include "hazard\hazard.h"
+#endif
+
+class CNpcBigWheelHazard : public CNpcHazard
+{
+public:
+	void				init();
+	virtual void		render();
+protected:
+	void				processMovement( int _frames );
+	virtual void		collidedWith(CThing *_thisThing);
+
+	s16					m_rotation;
+};
+
+#endif
\ No newline at end of file
diff --git a/source/platform/pbwheel.cpp b/source/platform/pbwheel.cpp
new file mode 100644
index 000000000..4e1d134c9
--- /dev/null
+++ b/source/platform/pbwheel.cpp
@@ -0,0 +1,78 @@
+/*=========================================================================
+
+	pbwheel.cpp
+
+	Author:		CRB
+	Created:
+	Project:	Spongebob
+	Purpose:
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __PLATFORM_PBWHEEL_H__
+#include "platform\pbwheel.h"
+#endif
+
+#ifndef	__UTILS_HEADER__
+#include	"utils\utils.h"
+#endif
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelPlatform::processMovement( int _frames )
+{
+	m_rotation += m_data[m_type].speed * _frames;
+	m_rotation &= 4095;
+
+	Pos.vx = m_base.vx + ( ( m_extension * rcos( m_rotation ) ) >> 12 );
+	Pos.vy = m_base.vy + ( ( m_extension * rsin( m_rotation ) ) >> 12 );
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void CNpcBigWheelPlatform::setWaypoints( sThingPlatform *ThisPlatform )
+{
+	int pointNum;
+
+	u16	*PntList=(u16*)MakePtr(ThisPlatform,sizeof(sThingPlatform));
+
+	u16 newXPos, newYPos;
+
+	newXPos = (u16) *PntList;
+	PntList++;
+	newYPos = (u16) *PntList;
+	PntList++;
+
+	DVECTOR startPos;
+	startPos.vx = newXPos << 4;
+	startPos.vy = newYPos << 4;
+
+	if ( ThisPlatform->PointCount > 1 )
+	{
+		newXPos = (u16) *PntList;
+		PntList++;
+		newYPos = (u16) *PntList;
+		PntList++;
+
+		DVECTOR pivotPos;
+		pivotPos.vx = newXPos << 4;
+		pivotPos.vy = newYPos << 4;
+
+		s32 xDist = startPos.vx - pivotPos.vx;
+		s32 yDist = startPos.vy - pivotPos.vy;
+
+		init( pivotPos );
+
+		m_rotation = ratan2( abs( yDist ), abs( xDist ) );
+
+		m_extension = isqrt2( ( xDist * xDist ) + ( yDist * yDist ) );
+
+	}
+	else
+	{
+		init( startPos );
+	}
+}
diff --git a/source/platform/pbwheel.h b/source/platform/pbwheel.h
new file mode 100644
index 000000000..376d59d60
--- /dev/null
+++ b/source/platform/pbwheel.h
@@ -0,0 +1,28 @@
+/*=========================================================================
+
+	pbwheel.h
+
+	Author:		CRB
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef __PLATFORM_PBWHEEL_H__
+#define __PLATFORM_PBWHEEL_H__
+
+#ifndef __PLATFORM_PLATFORM_H__
+#include "platform\platform.h"
+#endif
+
+class CNpcBigWheelPlatform : public CNpcPlatform
+{
+protected:
+	virtual void		setWaypoints( sThingPlatform *ThisPlatform );
+	virtual void		processMovement( int _frames );
+};
+
+#endif
\ No newline at end of file