Callum B is a challenge video creator who has gained popularity on YouTube, amassing more than 340,000 subscribers. One of his most viewed videos is titled "Kid Spends 24 HOURS on SEGWAY ELECTRIC SHOES!! - Challenge (Hard)." Callum has also advertised for XBOX on his Instagram page, callumbyt, which has garnered over 80,000 followers. He made a significant change to his channel content by deleting all his videos before October 2018, when he posted "I Said YES To EVERYTHING My Big Brother Said For 24 HOURS! *DELETING ALL MY V-BUCKS!!*" In June 2019, he shared his first Instagram picture, which featured him and his brother, captioned, "This is my first Instagram picture!"
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