it could take anywhere from 4 - 8 fillings

Model Number: AS5550

Model Number: 18712

This kit includes plastic parts for transformer

Model Number: 51403

ANE Model AP012 5 Volt Smart Switch Board DwDetails-0.50-0.45-12.00-6.00-6.00-2 it could take anywhere fromThis is ANE Model AP012 SmartSwitch Board 5v. With its adjustable servo speed and adjustable servo position, SmartSwitchTM offers you an ultimate flexibility to operate not only turnouts but also crossing gates, semaphore signals or any creative animation that you can think of. AP012 SmartSwitch 5V control board is a simple version main control board that has 4 servo control and 9 speed adjustment. It only accepts 5VDC power input and without LED