You asked and we answered, introducing the Polar Train, our interpretation of the popular film train.  Originally designed as one long piece, Phil also added a 2 piece option to provide extra stability. The two piece is identical just split into train and carriage
 
Single set base measures 339mm, train height is approx 92mm
 
Two piece measures - bases are both 164mm, train height is approx 92mm, carriage height is approx 79mm