The largest K'NEX ball contraption has 126,285 pieces and was built by Austin Granger (USA), as demonstrated in Saint Anthony, Minnesota, USA, on 13 March 2016. Read the full story here: http://bit.ly/GWR-Knex Subscribe for more: http://bit.ly/subscribetoGWR Welcome to the official Guinness World Records YouTube channel! If you're looking for videos featuring the world's tallest, shortest, fastest, longest, oldest and most incredible things on the planet, you're in the right place. LIKE us