The Rare Bachmann Spectrum On30 Jingle Bell Express Christmas Set includes 6 pieces of electric cars in a 1:87 scale. These multi-color plastic cars are ready to go with an analog control system, featuring a Christmas theme. The set does not include a speed controller or track. I know these are easy to find. Perfect for model railroad enthusiasts aged 12-16 years and fans of the Bachmann brand, this starter set is sure to bring joy during the holiday season. Track Page Views With.