Subscribe || https://www.youtube.com/GuinnessWorldRecords Favourites || http://gwr.co/YT-Favs After creating the smallest pack of playing cards earlier this year, Rob Hallifax from London used crowdfunding to make the world's largest playing card, a King of Hearts. ---------------------------------------------------------------------------------------------- At Guinness World Records we want to show that everyone in the world is the best at something, and we’re here to measure it! Whether you’