diff --git a/src/break_out/Constants.java b/src/break_out/Constants.java
index 8e37ddf..0db190c 100644
--- a/src/break_out/Constants.java
+++ b/src/break_out/Constants.java
@@ -5,7 +5,7 @@ import java.awt.Color;
 /**
  * A class that contains all constant values to configure the game
  *
- * @author dmlux, modified by I. Schumacher
+ * @author dmlux, modified by I. Schumacher, modified by Gruppe 175: Ruben Meyer und Moritz Henseleit
  */
 public class Constants {
 
diff --git a/src/break_out/model/Stone.java b/src/break_out/model/Stone.java
new file mode 100644
index 0000000..11c7348
--- /dev/null
+++ b/src/break_out/model/Stone.java
@@ -0,0 +1,144 @@
+package break_out.model;
+
+import java.awt.*;
+
+/**
+ * This class contains information about the stones characteristics and behaviour
+ *
+ * @author Gruppe 175: Moritz Henseleit, Rubn Meyer
+ */
+public class Stone implements IStone {
+
+	/**
+	 * The stones type
+	 */
+	private int type;
+
+	/**
+	 * The stones value according to the stones type to calculate players score
+	 */
+	private int value;
+
+	/**
+	 * The stones color according to the stones type
+	 */
+	private Color color;
+
+	/**
+	 * The stones position on the playground
+	 */
+	private Position position;
+
+	/**
+	 * The constructor of a stone
+	 *
+	 * @param type stones initial type
+	 * @param position stones initial position
+	 */
+	public Stone(int type, Position position) {
+		// sets type; and value and color according to stone type
+		setType(type);
+		// sets position
+		setPosition(position);
+	}
+
+	/**
+	 * The getter for the stones value to calculate players score
+	 *
+	 * @return stones value
+	 */
+	public int getValue() {
+		return this.value;
+	}
+
+	/**
+	 * The setter for the stones value
+	 *
+	 * @param value The stones new value
+	 */
+	public void setValue(int value) {
+		this.value = value;
+	}
+
+	/**
+	 * The getter for the stones color
+	 * Can be null because a stone could not exist
+	 *
+	 * @return The stones color
+	 */
+	public Color getColor() {
+		return this.color;
+	}
+
+	/**
+	 * The setter for the stones color
+	 *
+	 * @param color  The stones new color
+	 */
+	public void setColor(Color color) {
+		this.color = color;
+	}
+
+	/**
+	 * The getter for the stones position
+	 *
+	 * @return The stones position
+	 */
+	public Position getPosition() {
+		return this.position;
+	}
+
+	/**
+	 * The setter for the stones position
+	 *
+	 * @param position The stones new position
+	 */
+	public void setPosition(Position position) {
+		this.position = position;
+	}
+
+	/**
+	 * The getter for the stones type
+	 *
+	 * @return The stones type
+	 */
+	public int getType() {
+		return this.type;
+	}
+
+	/**
+	 * The setter for the stones type
+	 *
+	 * @param type The stones new type
+	 */
+	public void setType(int type) {
+		// type not in range
+		if(type > 3) { type = 0; }
+		setValue(type);
+		this.type = type;
+		switch(type) {
+			// multi-case, hacky, but dont care
+			case 0:
+				// naah, isnt a stone
+			default:
+				// default case, not in range
+				// setting to not a stone
+				setColor(null);
+				break;
+			case 1:
+				// stone type one
+				setColor(Color.CYAN);
+				break;
+			case 2:
+				// stone type two
+				setColor(Color.WHITE);
+				break;
+			case 3:
+				// stone type three
+				setColor(Color.BLUE);
+				break;
+		}
+	}
+
+
+}