Take the lenses out of the 3D glasses. Then get some hair and sticky tape. Stick the hair to the sides of the glasses. You will see what I mean in the picture above.
Step 8: Zombie Part
Next, you will need to get the nerf gun bullet, the elastic band and the sticky tape again. Get the elastic band and sticky tape it two a side where the lenses should be. Then get the nerf gun bullet and stick it onto the elastic band. You will see what it will look like in the picture