This Instructable will show you how to make a working Knex Nerf Reflex replica.
Step 1: Parts
You will need, 28 green rods, 1 twist tie, 3 rubber bands, 15 small separators, 20 caps, 8 large separators, 9 red corners, 7 blue rods, 12 orange connectors, 1 white connector, one green connector, 4 purple ends, 12 yellow connectors, 2 orange bendy rods, 2 red rods, a piece of tape, and (a grey rod-optional).
Step 2: Start Building!
Build the two sides, then add rods, separators, and caps to one side.
Step 3: Build
Make these rods and add them where shown.
Step 4: Trigger
Make the trigger. Add tape where shown. You will definitely need it... Next, add the trigger on.
Step 5: Barrel and Internals
Make this piece and add it on.
Step 6: Other Side
Add the other side, separators, and caps as shown.
Step 7: Trigger Rod
Build this rod and add it to the trigger.
Step 8: Tie
Add a tie to the front of the barrel to keep it from swinging.
Step 9: Plunger
In Nerf, it's called a plunger. Build it, and add it to the gun through the holes in the orange connectors.
Step 10: Rubber Bands
Add the rubber bands.
Step 11: Priming and Loading
To prime, hold the trigger and pull back the plunger. Add a blue rod to the front of the barrel.
Step 12: Alternative Plungers
For more power, you can replace the red rod.with a grey rod. That's why it was optional.
Step 13: Done!
You now have a Nerf Reflex! Enjoy!