It is in used but working condition.
Vintage Smoothflow Power Unit - Mini Models Ltd
Minimodels J24 OO Gauge Smoothflow Power Unit Transformer Controller Unboxed.
MINIMODELS Smoothflow Power Unit - 12 Volt Transformer - Scalextric / Hornby
Vintage Triang Power Unit P5 Power Controller for Train Set Untested
Vintage Triang Power Unit RP 4.5 Power Controller Untested
