This is my entry in the Instructables Launch It Contest.
It is a simple and powerful pencil shooter/crossbow
Step 1: Safety Gear
You WILL NEED safety equipment when building and using this device.
When building this device you WILL NEED safety goggles when using the saw and the Exacto knife
When firing this device you WILL NEED safety goggles.
Above all: use common sense.
Don't fire things at the cat.
Don't aim things at your self.
Don't give this to someone that you would not trust with a book of matches.