The record verification and certification process began in 2014, and the Record Holder Certificate arrived in Budapest this month.
The first section of the railway connecting Szechenyi Hill and Huvosvolgy stations was inaugurated in 1948. The railway line has seen over 15,000 children as part of its crew over the last 67 years.
A Guinness World Record plate will be unveiled at the inauguration ceremony for the graduates of the latest two training courses in Huvosvolgy.