There goes my three hands  
Lazy, Lazier, Laziest 
I am very helpful to you 
And help you to do work on time 
I am hung on walls 
And is always looked at 
I think I am the 
Most valuable thing in the house 
' TICK-TOCK, TICK-TOCK' 
I am a clock!
Athul KrishnaA
http://www.poemhunter.com/poem/41-clock/