NOTE: If there was a difficulty rating of 'piss easy' then i would give this song it. 

Intro:
E5
B     0 0 0 3 2 0
G 2 2             2 14

Chorus:
         A5         
I need a Mars Bar
    E5
Hey raid the Spa
   A5                   E5
To help me through the day
         A5
I need a Mars Bar
         E5
I've had total fun
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play

Verse 1:
  A5            E5     Eb5 E5
I never eat my dinner
  A5             E5    G5 D5
I push away the plate
        A5               E5      Eb5 E5
You can see I'm getting thinner
  D5                  E5
Because I just can't wait

Chorus:
         A5         
To get my Mars Bar
    E5
Hey raid the Spa
   A5                   E5
To help me through the day
         A5
I need a Mars Bar
         E5
I've had total fun
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play

Verse 2:
   A5                       E5    Eb5 E5
To Patrick Moore and David Bowie
    A5             E5    G5 D5
And all the other stars
        A5                E5       Eb5 E5
There's evidence here to show you
     D5               E5
That there's life on Mars

Chorus:
         A5         
I need a Mars Bar
    E5
Hey raid the Spa
   A5                   E5
To help me through the day
         A5
I need a Mars Bar
         E5
I've had total fun
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play

Middle 8:
        E5
There's glucose for energy
D5
Caramel for strength
    C5
The chocolate's only there
   D5                 E5
To keep it the right length

Chorus:
         A5         
I need a Mars Bar
    E5
Hey raid the Spa
   A5                   E5
To help me through the day
         A5
I need a Mars Bar
         E5
I've had total fun
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play

Verse 3:
   A5                     E5                Eb5 E5
To anybody out there who still eats Twix ?
  A5                   E5        G5 D5 
Anybody on packets of Buttons ?
  A5                       E5  Eb5 D5
I gave them up when I was six
  D5                   E5
I hope your teeth are rotten

Chorus:
         A5         
I need a Mars Bar
    E5
Hey raid the Spa
   A5                   E5
To help me through the day
         A5
I need a Mars Bar
         E5
I've had total fun
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play
   D5                     G5             E5
It helps me - makes me - work rest and play
E5               A5
Work - rest and play!