Sean attempts to break Ali-A's Guinness World Record for the tallest staircase built in Minecraft in one minute. You can find out how to get your copy of the NEW Guinness World Records 2020 book by heading over to https://www.funkidslive.com/on-air/guinness-world-records-week-can-conor-bex-dan-and-sean-set-their-own-guinness-world-records/