Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: Titanium Ring
Step 2: Drill, Sharpen, the Right Size.
Drill, sharpen, the right size.
Step 3: Polishing Sandpaper.
Step 4: Fasten Stone, Put Together.
Fasten stone, put together.
Step 5: Result