"Chumma-Chum-Chum" and "Tumma-Tum-Tum"
meet outside the mine entrance.

indentThe engine in the middle was built by my collaborator in the original model, John Hillary. Both engines run on ordinary Hornby chassis although one has had a Portescap coreless motor and gearbox fitted to improve its performance. The tree trunks stretching up out of sight and the tall greenery of the forest floor help make the trains look suitably diminutive.
indentThe story quotes a gnome as being "about as high as this book" which does rather depend on whether you are reading the hardback or the paperback!  Our gnomes are about an inch high (plus hat!).