its retractable but you have to push it. Triples as a gun and knife.
remember this is a very simple design
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: The Blade
Just a black long connector.
Step 2: The Handle
Just look at the picture.
Step 3: The Place Where the Blade Goes.
i couldnt think of another name for it. again just look at the photo.
It has the handle already attatched.
Step 4: Insert Blade
this is where you put the blade on.
Step 5: Put the Rubber Band On
Step 6: How to Use It.
to use pull the blade back and push the gray connector in the way.
to put the blade out pull the gray peice up.