diff --git a/7 - Classes and Objects/Challenge/Ball.py b/7 - Classes and Objects/Challenge/Ball.py
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+++ b/7 - Classes and Objects/Challenge/Ball.py	
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+class Ball():
+    def __init__(self, diameter, color):
+        self.diameter = diameter
+        self.color = color
+        self.timesBounced = 0
+
+    def getDiameter(self):
+        return self.diameter
+
+    def getColor(self):
+        return self.color
+
+    def getTimesBounced(self):
+        return self.timesBounced
+
+    def bounceBall(self):
+        self.timesBounced += 1
+
+    def __str__(self):
+        return "This ball is " + self.color + " with a diameter of " + str(self.diameter) + " and has been bounced " + str(self.timesBounced) + " times!"
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diff --git a/7 - Classes and Objects/Challenge/README.md b/7 - Classes and Objects/Challenge/README.md
new file mode 100644
index 0000000..4e53aeb
--- /dev/null
+++ b/7 - Classes and Objects/Challenge/README.md	
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+Write a class called Ball with the following
+- Characteristics
+    - diameter (float)
+    - color (string)
+    - timesBounced (int)
+- Behaviors
+    - bounceBall
+    - getDiameter
+    - getColor
+    - getTimesBounced
+
+Create 2 Balls
+- Ball 1
+    - Diameter: .5
+    - Color: Red
+    - Bounce the ball 10 times
+- Ball 2 
+    - Diameter: 1
+    - Color: Yellow
+    - Bounce teh ball 1 time
+
+Print all the values for both balls
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diff --git a/7 - Classes and Objects/Challenge/main.py b/7 - Classes and Objects/Challenge/main.py
new file mode 100644
index 0000000..b408f89
--- /dev/null
+++ b/7 - Classes and Objects/Challenge/main.py	
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+import Ball
+
+ball1 = Ball.Ball(5, "Red")
+ball2 = Ball.Ball(1, "Yellow")
+
+for i in range(10):
+    ball1.bounceBall()
+
+ball2.bounceBall()
+
+print(ball1)
+print(ball2)
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diff --git a/7 - Classes and Objects/README.md b/7 - Classes and Objects/README.md
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index 0000000..e69de29
diff --git a/7 - Classes and Objects/Tree.py b/7 - Classes and Objects/Tree.py
new file mode 100644
index 0000000..217e05b
--- /dev/null
+++ b/7 - Classes and Objects/Tree.py	
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+class Tree():
+    def __init__(self, typeOfTree, height, width):
+        self.typeOfTree = typeOfTree
+        self.height = height
+        self.width = width
+
+    def getTypeOfTree(self):
+        return self.typeOfTree
+
+    def getHeight(self):
+        return self.height
+
+    def getWidth(self):
+        return self.width
+
+    def grow(self, heightAdd, widthAdd):
+        self.height += heightAdd
+        self.width += widthAdd
+
+    def __str__(self):
+        return "Type of Tree: " + self.typeOfTree + " Height: " + str(self.height) + " Width: " + str(self.width)
\ No newline at end of file
diff --git a/7 - Classes and Objects/main.py b/7 - Classes and Objects/main.py
new file mode 100644
index 0000000..2483597
--- /dev/null
+++ b/7 - Classes and Objects/main.py	
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+import Tree
+
+oakTree = Tree.Tree("Oak", 10, .5)
+pineTree = Tree.Tree("Pine", 25, 1.25)
+
+print(oakTree)
+oakTree.grow(5, .5)
+
+print(oakTree)
+print(pineTree)
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diff --git a/8 - Basic Robot Electronics/CS8 - Basic Robot Electronics.odp b/8 - Basic Robot Electronics/CS8 - Basic Robot Electronics.odp
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diff --git a/8 - Basic Robot Electronics/CS8 - Basic Robot Electronics.pdf b/8 - Basic Robot Electronics/CS8 - Basic Robot Electronics.pdf
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diff --git a/8 - Basic Robot Electronics/README.md b/8 - Basic Robot Electronics/README.md
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index 0000000..e69de29