What should i get my dad for christmas?

This christmas, i dont know what to get my dad for christmas. i am only 12 and i dont have a source of my own money, so i need to buy something nice but inexpensive. he is into cars but i dont think he wants anything like that, and he asked my stepmom for an automatic car starter already, and i dont want to chip in for it because he will know it wasnt from me=[. any sugestions? something different=]