£45 (including P&P within the UK - for international shipping contact us here)
 
These small power chassis are available in 32mm & 45mm gauges (not gauge convertible), a 3-6volt motor with nylon worm gear reduction, Binnie Engineering 29mm wheels on 1/8" axles, and our unique outside cranks.
These units come with our ROSE, WINIFRED & JOEY kits, but are also available separately.
 
Width (32mm gauge) - 54mm
Width (45mm gauge) - 66mm
Length - 108mm
Height (from railhead to top of frames) - 38mm
Chassis Wheelbase - 52mm