I posted a pic of this, but this is the step-by-step. Il make it veeery easy to follow so anyone can make it. This is based on conner's assassin tomahawk in assassin's creed 3

Step 1: The Axe Head

The bladed section of the weapon

You will need:

Rods:
1 flexible purple
6 Green
2 blue
2 white

Connectors
3 green
2 red
1 white
2 yellow

Step 2: The Handle

the core structure of the handle

You will need:

Rods
1 green
1 white
2 blue
1 red
1 flexible purple

connectors
1 blue/white
1 yellow
1 red

Step 3: Reinforcements 1: Head

Makes it more durable

You will need:

rods
2 white
2 green
1 socket

connectors
4 green/purple

Step 4: Handle Reinforcements

makes the handle stronger and easier to hold

You will need:

Rods
4 blue
4 green
1 white
4 flexible purple

Connectors
2 green
2 blue/white
2 yellow
2 red
1 grey/connector

Handle section

Step 5: Assembly

putting it together

You will need:
Reinforced head
Reinforced handle

bend the handle reinforcements back until the green connectors fit next to the yellow connector and all the blue rods are in line as in picture 1

clip the blue rods into the purple/green ports on the head as in picture 2

There you go, the finished weapon

Step 6: Using

grip the handle by the 3 purple rods with your ring and centre finger, then wrap the other 2 fingers around the red rod. This is the strong hold. To spin the weapon, release the red rod and spin around the two fingers

Use the black clips to attach the weapon to a holster or weapon belt