The Great Modelrailway Exhibition is organized since 2002 every two years by Meta Media Group, the publisher of Belgium's biggest model railroad magazine, Modelspoor Magazine (Dutch) / Train Miniature Magazine (French) and Belgium's most famous railroad magazine, Spoorweg journaal Dutch) / Journal de chemin de fer (French).

The 9th edition will take place on Saturday 13 October from 10 am to 6 pm and Sunday 14 October from 10 am to 5 pm, 2018, at the Brabanthal Leuven.

The 8th edition took place on Saturday 15 October from 10 am to 6 pm and Sunday 16 October from 10 am to 5 pm, 2016, at the Brabanthal Leuven.

The Great Modelrailway Exhibition is among the top of the model railroad exhibitions in the Benelux. On 6,000 m² visitors saw more than 40 layouts coming from whole Europe, including many shown to the public in Belgium for the first time. On top of this, 13 people participate in the contest with a mini model railroad. More than 70 companies offered a wide range of model railroading products too.