Thunderball is a lottery that takes place in the UK. The first Thunderball draw took place on the 12th June 1999 and back then, draws took place just once a week, on Saturdays. In October 2002, draws started taking place on both Wednesdays and Saturdays.The jackpot started out at £250,000, but was increased to £500,000 in May 2010. Later on in May 2010, the Friday draw was added, and another draw on Tuesdays started taking place in January 2018, increasing the total of weekly draws to 4.