Answer:
An artΒ-form and its colourful result.
I know a word of letters three, add two and less there will be.
It can be cracked, It can be made, It can be told, it can be played. What is it?
Casper was a friendly one and Demi Moore made a clay pot with one.
Of these everyone has ten, part of two wholes at the arms end. What are they?
How do you know if a sniper likes you?