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diff --git a/engines/neverhood/modules/module1900.h b/engines/neverhood/modules/module1900.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef NEVERHOOD_MODULES_MODULE1900_H
+#define NEVERHOOD_MODULES_MODULE1900_H
+
+#include "neverhood/neverhood.h"
+#include "neverhood/module.h"
+#include "neverhood/scene.h"
+#include "neverhood/modules/module1200.h"
+
+namespace Neverhood {
+
+class Module1900 : public Module {
+public:
+	Module1900(NeverhoodEngine *vm, Module *parentModule, int which);
+	virtual ~Module1900();
+protected:
+	int _sceneNum;
+	uint32 handleMessage(int messageNum, const MessageParam &param, Entity *sender);
+	void createScene(int sceneNum, int which);
+	void updateScene();
+};
+
+// Scene1901
+
+class Scene1901 : public Scene {
+public:
+	Scene1901(NeverhoodEngine *vm, Module *parentModule, int which);
+};
+
+// Scene1907
+
+class Scene1907;
+
+class AsScene1907Symbol : public AnimatedSprite {
+public:
+	AsScene1907Symbol(NeverhoodEngine *vm, Scene1907 *parentScene, int elementIndex, int positionIndex);
+	void moveUp();
+	void moveDown();
+	void fallOff(int newPositionIndex, int fallOffDelay);
+	bool isPluggedIn() { return _isPluggedIn; }
+	bool isMoving() { return _isMoving; }
+protected:
+	Scene1907 *_parentScene;
+	int _elementIndex;
+	int _currPositionIndex;
+	int _newPositionIndex;
+	bool _isPluggedIn;
+	bool _isMoving;
+	int _someX, _someY;
+	int _xBreak;
+	int _currStep;
+	int _yAccel;
+	int _yIncr;
+	int _fallOffDelay;
+	int _deltaX, _smallDeltaX;
+	int _deltaY, _smallDeltaY;
+	// Dumb, change if possible
+	static bool _plugInFailed;
+	static int _plugInTryCount;
+	void update();
+	uint32 handleMessage(int messageNum, const MessageParam &param, Entity *sender);
+	uint32 hmTryToPlugIn(int messageNum, const MessageParam &param, Entity *sender);
+	void suTryToPlugIn();
+	void suFallOff();
+	void suFallOffHitGround();
+	void suMoveDown();
+	void suMoveUp();
+	void tryToPlugIn();
+	void stFallOffHitGround();
+	void cbFallOffHitGroundEvent();
+	void stPlugIn();
+	void stPlugInFail();
+};
+
+class AsScene1907WaterHint : public AnimatedSprite {
+public:
+	AsScene1907WaterHint(NeverhoodEngine *vm);
+	void show();
+protected:
+	void update();
+	uint32 hmShowing(int messageNum, const MessageParam &param, Entity *sender);
+	void hide();
+};
+
+class SsScene1907UpDownButton : public StaticSprite {
+public:
+	SsScene1907UpDownButton(NeverhoodEngine *vm, Scene1907 *parentScene, AsScene1907Symbol *asScene1907Symbol);
+	void setToUpPosition();
+	void setToDownPosition();
+protected:
+	Scene1907 *_parentScene;
+	AsScene1907Symbol *_asScene1907Symbol;
+	int _countdown1;
+	void update();
+	uint32 handleMessage(int messageNum, const MessageParam &param, Entity *sender);
+};
+
+class Scene1907 : public Scene {
+public:
+	Scene1907(NeverhoodEngine *vm, Module *parentModule);
+	void plugInFailed();
+	void setPositionFree(int index, bool value) { _positionFree[index] = value; }
+	int getNextPosition() { return _pluggedInCount++; }
+protected:
+	AsScene1907Symbol *_asSymbols[9];
+	SsScene1907UpDownButton *_ssUpDownButton;
+	AsScene1907WaterHint *_asWaterHint;
+	int _currMovingSymbolIndex;
+	int _pluggedInCount;
+	int _moveDownCountdown;
+	int _moveUpCountdown;
+	int _countdown3;
+	bool _hasPlugInFailed;
+	bool _positionFree[9];
+	void update();
+	uint32 handleMessage(int messageNum, const MessageParam &param, Entity *sender);
+	int getRandomPositionIndex();
+};
+
+} // End of namespace Neverhood
+
+#endif /* NEVERHOOD_MODULES_MODULE1900_H */