Riddle

I come in many shapes, sizes, and colors. I stick to many surfaces but I am, in fact, not sticky at all. What am I?

Choose an answer

A.Velcro
B.Static electricity
C.Suction cup
D.Magnet
Hint: It's a word with 6 letters, starting with "M".

Answer

Magnet

Why this is the answer

A magnet clings to metal surfaces through magnetic attraction, not because it is physically sticky.

This riddle is filed under "What Am I?" Riddles and rated Medium.