Gumdrop and the Secret Switches

When Horace the dog goes nosing around the controls on Gumdrop's dashboard, he discovers a mysterious hidden switch. Mr Oldcastle has no idea how the switch got there, but he soon figures out exactly what it does. And so begins a series of extraordinary adventures.
Collect all of Gumdrop's adventures
GUMDROP AND THE DINOSAUR;
GUMDROP - ALL AT SEA;
GUMDROP AND THE ELEPHANT.

(The real Gumdrop is the author, Val Biro's own car and is the hero of these exciting and magical adventure stories!)