Introduction: Knex HIdden Blade

credit given to knexgeek for the design

Step 1: You Will Need

Rods
5x Green
25x White
4x Blue
1x Red
6x Grey
5x Socket

Connectors
22x green
22x Red
33x Grey
22x Cream
2x Tan
10x Orange
2x Ball

Other
4x Rubber Bands
STRING

Step 2: Mchanisim

Step 3: Straps

Step 4: Attaching Straps to Mechanisim

Step 5: Reinforcement

Step 6: Auto Retract

Step 7: More Reinforcements

Step 8: Attaching Rubber Bands

Step 9: Final Product