I made a semi automatic marble shooter that I wanted to share. It has a capacity of about 16 marbles.
Step 1: Base
The first step is fairly simple.
Step 2: Main Body
This is where it gets confusing.
Step 3: Firing Mechanism
This part is also simple.
Step 4: Extras
This is a stand which I find pretty useful.
Step 5: Final Product
It's finally finished. When firing try to not pull for too long as it might result in marbles spilling out.