Instructables

Knex Assassin Blade

Step 1: Pieces Required

Here is the list of pieces required to make the Assassin Blade:

Ezio:
   rods-
      1 gray
      1 red
      1 blue
      1 black
      1 elastic orange
      2 elastic blue
      10 silver

   connectors-
      1 black
      1 black Y
      1 orange
      2 white
      4 gray
      7 gray triangles

   1 rubberband

Altiar:
   rods-
      1 gray
      1 red
      1 blue
      1 black
      1 elastic orange
      2 elastic blue

connectors-
      1 black
      1 black Y
      6 orange
      2 white
      2 gray triangles

   1 rubberband

Step 2: Trigger

take a red rod and put a black Y on it.  take a orange connector and put a black rod at one end.  slide onto rod.  Take a gray triangle and put a blue rod on it.  connect to red rod.

Step 3: Ezio Handle

1.  Take four grays and attach them to the end of red rod.
 
2.  Take a gray triangle and add two gray rods to the ends.  repeat five times. add to red rod. 

3.  Take a gray triangle and add elastic blue pieces.  Add the gray connector to  the ends of elastic blues.  Connect them with a orange elastic piece.  Add to rod

Step 5: Blade

Picture of Blade
Take the gray rod and add the black connector.