Smallest trolley or eggliner

[diztrek]

Hi just wondering what the smallest trolley, engine, eggliner, or anything g scale  that is made that has a motor unit in it is?

[the Bach-man]

Dear Diz,
There are many small four-wheel powered units, including all you mentioned, from many manufactuers.
Our smallest is probably the speeder.
Have fun!
the Bach-man