A great-grandfather has become the oldest person to ride a roller coaster as he broke another Guinness World Record on his 105th birthday.
Adventurous Jack Reynolds said he was "amazed" and wanted "another go in a minute" after an exhilarating ride on the Twistosaurus attraction at Yorkshire's Flamingo Land theme park.
See also: Rollercoasters could help pass kidney stones
See also: Blackpool Pleasure Beach plans expensive new rollercoaster
This continues an amazing run of birthday record attempts, after he became the oldest person to get a tattoo on his 104th birthday.
The daredevil, who also flew in a vintage Tiger Moth plane last year, admitted he was "frightened to death" at experiencing his first roller coaster in 80 years.
Jack celebrated his 105th birthday on a roller coaster
He admitted he was "frightened to death"
He braved the ride at Flamingo Land live on Good Morning Britain
Speaking to Good Morning Britain's Katy Rickitt before his daunting ride, fearless Jack said: "That's what I'm frightened of - leg room."
"You've got to go back more than 80 years. I think that was before your time."
Jack, who was raising money for the Air Ambulance with his effort, added: "I'm frightened to death, really frightened."
Jack has eight grandchildren and 21 great-grandchildren
He got a tattoo of his nickname 'Jacko' and birth date for his 104th birthday
He was accompanied by daughter Jayne and Dr Hilary Jones, who warned G-forces can plays with blood pressure and heart rate.
Jayne said: "I've been upside down so many times. I've got a real bad fear of heights but I've had to overcome it for this chap."
A Guinness World Records representative confirmed the brave great-grandfather of 21 had broken the record, before Jack blew out candles on his birthday cake.
Jack took to the skies for yet another world record last year
He has used his record attempts to raise money
Presenter Ben Shephard called Jack an "absolute legend", while viewers took to Twitter to give him praise.
One viewer said: "Jack is 105 and riding a roller coaster, what a sweet gentleman he is. # GMB"
Another added: "Everyone needs a 'Jack' in their life! What a truly awe inspiring man! Wow! Just amazing"
A third said: "Wow truly inspiring Gentleman, Happy Birthday Jack, 105, truly remarkable"