Burger King Malaysia is giving customers a chance to win racing car building sets worth RM999 each and RM100 BK vouchers every week through its KITKAT Series contest. Purchase any BK set meal and add on or upgrade to a KITKAT Series treat to participate, subject to the official terms and conditions. The contest ends on 31 October 2026, with a different mystery racing car design featured every week. Check the official announcement for details and entry requirements.