HO Scale

For Building 3 to 3-1/2" Wide We now have available our new Picture Windows photo interiors for HO scale structures. They feature interior scenes printed on high quality film that makes adding interiors to your building easier than ever. There's no need...

For Building 3 to 3-1/2" Wide We now have available our new Picture Windows photo interiors for HO scale structures. They feature interior scenes printed on high quality film that makes adding interiors to your building easier than ever. There's no need...

City Classics 116 - South Side Salon - HO Modernized brick buildings have been a part of main streets throughout the United States since the 1930s, and City Classics has captured that distinct look with its latest HO scale structure kit. The Main Street...

This cable and actuator is designed to be used with the Remote Signal Activator (sold separately). Instructions for assembly are provided with the Remote Signal Activator.

Remote Signal Activator Mounting bracket and mechanism utilize the TORTOISE (not included) and a special drive wire cable assembly to remotely actuate any crossing gate, train order board, or upper/lower quadrant semaphore signal having a...

6 pack of the Circuitron Smail with Terminal Block Smail (Slow Motion Actuator with Integrated Logic) features same size and mounting as the TORTOISE (sold separately).  Compatible with all DCC systems that provide accessory address control...

6 pack of the Circuitron Smail. Smail (Slow Motion Actuator with Integrated Logic) features same size and mounting as the TORTOISE (sold separately).  Compatible with all DCC systems that provide accessory address control. Two-wire connection to DCC...

Smail (Slow Motion Actuator with Integrated Logic) features same size and mounting as the TORTOISE (sold separately).  Compatible with all DCC systems that provide accessory address control. Two-wire connection to DCC bus with no external power...

Smail (Slow Motion Actuator with Integrated Logic) features same size and mounting as the TORTOISE (sold separately).  Compatible with all DCC systems that provide accessory address control. Two-wire connection to DCC bus with no external power...

A thin, precise, laser-cut plastic template for use when multiple TORTOISE™ switch machines are to be installed in the standard under-layout configuration.

The CIRCUITRON Remote Tortoise Mount is capable of driving up to 2 cables and actuators at the same time, thus allowing a single TORTOISE to actuate two sets of points simultaneously, such as for crossover use. However,...

The CIRCUITRON Remote Tortoise™ Mount consists of a molded base mechanism to which the TORTOISE™ (not included) is mounted. An adjustable lever arm is fastened onto the TORTOISE™ output and drives a stainless steel wire inside a...

  Prototypical turnouts don't snap open and closed, they move slowly. This easy-to-mount switch machine features prototypical slow-motion action-three seconds to complete throw. Easy-to-mount slow-motion switch machine features: Prototypical...

 Prototypical turnouts don't snap open and closed, they move slowly. This easy-to-mount switch machine features prototypical slow-motion action-three seconds to complete throw. Easy-to-mount slow-motion switch machine features: Prototypical...

Use with the Tortoise Switch Machine and an upper or lower quadrant semaphore-style signal.  Includes al the logic circuitry to drive the signal to all three positions. Works with BD-1 or BD-2 Block Occupancy Detectors. A minimum of two blocks must...

The CIRCUITRON DT-3 Single Direction Grade Crossing Detection Circuit utilizes our proven OptoElectronic Detection and will provide accurate grade crossing action for a single locomotive or a 100 car train. There are absolutely no modifications to...

CIRCUITRON designed the DT-2 to be the most advanced DC track power grade crossing detection circuit available at any cost. It is completely independent of train length and it will duplicate prototype grade crossing action for a single locomotive or a...

The CIRCUITRON DT-1 is a bi-directional detection circuit designed for DC track power that provides an output whenever one of its Opto-Sensors is covered by a piece of rolling stock. Absolutely no modifications to the rolling stock are necessary. 4...

The CIRCUITRON FL-2 is designed to be controlled by the output from one of our Grade Crossing Detection circuits. The FL-2 may also be easily wired for continuous flashing or for manual control with a panel switch, if desired. Only one FL-2 is needed per...

The CIRCUITRON EOT flasher includes the same LED as the CF-1. Refer to the description of the CF-1 regarding modifications to the LED which will result in a realistic HO scale device. After modifying, the LED is easily mounted on the coupler of any...