LED Jack o Lantern

This is a low-cost diy Led lantern.
It's very easy to make.

Step 1: What do you need?

You will need:

1x pumpkin
1x knife
1x soldering machine
1x(or more) LED
1x(or same ammount of leds) resistor
1x isolation tape
1x solder
1x pen 
1x permanent marker
1x battery holder