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HO Scale Proto 2000 920-40631 UP Union Pacific F7A/B Diesel Set w/ DCC & Sound
HO Scale Proto 2000 920-40631 UP Union Pacific F7A/B Diesel Set w/ DCC & Sound

$349.95

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QSI 1527B-3F-000 Power Supply, Used
QSI 1527B-3F-000 Power Supply, Used

$300.00

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QSI REV-U Revolution-U DCC Sound and Power Decoder, Universal, PnP Format
QSI REV-U Revolution-U DCC Sound and Power Decoder, Universal, PnP Format

$89.99

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HO Atlas, Master Line, Alco C420 locomotive, D&H (ex LIRR) #212 QSI DCC & Sound
HO Atlas, Master Line, Alco C420 locomotive, D&H (ex LIRR) #212 QSI DCC & Sound

$160.00

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HO SCALE BROADWAY LIMITED PRR M1A 4-8-2 STEAM LOCOMOTIVE FACTORY SAMPLE DCC QSI
HO SCALE BROADWAY LIMITED PRR M1A 4-8-2 STEAM LOCOMOTIVE FACTORY SAMPLE DCC QSI

$254.00

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QSI ACS-730 Powerguard — New in Box! •
QSI ACS-730 Powerguard — New in Box! •

$64.99

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QSI Quantum Revolution-A Atlas Format Advanced DCC Sound and Power Decoder
QSI Quantum Revolution-A Atlas Format Advanced DCC Sound and Power Decoder

$118.48

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L/N ATLAS Gold HO GP40-2 CONRAIL Locomotive DCC QSI Sound Read FULL Description
L/N ATLAS Gold HO GP40-2 CONRAIL Locomotive DCC QSI Sound Read FULL Description

$160.00

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QSI Operating and instruction manuals, 5 different manuals
QSI Operating and instruction manuals, 5 different manuals

$10.00

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QSI 128-0 HO Sound Chip for Atlas GE C30-7 Diesel Engine
QSI 128-0 HO Sound Chip for Atlas GE C30-7 Diesel Engine

$28.49

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QSI ACS-730 Powerguard — New in Box! •
QSI ACS-730 Powerguard — New in Box! •

$40.00

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Digitrax DH165Q1 ~ New 2024 ~ 1.25 Amp HO Scale Mobile Decoder ~ Replaces QSI
Digitrax DH165Q1 ~ New 2024 ~ 1.25 Amp HO Scale Mobile Decoder ~ Replaces QSI

$28.82

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HO Proto 2000 920-40158 NW Norfolk & Western GP30 Diesel #541 w/ DCC & Sound
HO Proto 2000 920-40158 NW Norfolk & Western GP30 Diesel #541 w/ DCC & Sound

$179.95

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14209 Quincy QSI Replacement Shaft Seal Kit
14209 Quincy QSI Replacement Shaft Seal Kit

$500.00

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STOELTING QSI QUINTESSENTIAL STEREOTAXIC INJECTOR 53311
STOELTING QSI QUINTESSENTIAL STEREOTAXIC INJECTOR 53311

$1879.00

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HO Scale Atlas Unlettered HH660 Diesel Switcher Locomotive w/ DCC & Sound
HO Scale Atlas Unlettered HH660 Diesel Switcher Locomotive w/ DCC & Sound

$179.95

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HO Atlas Master Gold 8116 MP Mo-Pac "Eagle" GE B23-7 Diesel #2293 w/ DCC & Sound
HO Atlas Master Gold 8116 MP Mo-Pac "Eagle" GE B23-7 Diesel #2293 w/ DCC & Sound

$149.95

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LN Nice ATLAS Gold HO DASH 8-40CW LMS Locomotive DCC QSI Sound Read FULL Descrpt
LN Nice ATLAS Gold HO DASH 8-40CW LMS Locomotive DCC QSI Sound Read FULL Descrpt

$120.00

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QSI Quantum Revolution-U Univ Format PnP Advanced DC/DCC Sound and Power Decoder
QSI Quantum Revolution-U Univ Format PnP Advanced DC/DCC Sound and Power Decoder

$118.48

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QSI 110-2 (v7-26-1s) Chip Upgrade 110 INT F7
QSI 110-2 (v7-26-1s) Chip Upgrade 110 INT F7

$14.99

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QSI 119-0 (v7-4-0s) Chip Upgrade BLI E7 Mars/Reed
QSI 119-0 (v7-4-0s) Chip Upgrade BLI E7 Mars/Reed

$14.99

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(2) HO DCC Upgrade Chips By QSI – Loco 126 ATL 8-40 b/w 126-0(v7-33-2s)
(2) HO DCC Upgrade Chips By QSI – Loco 126 ATL 8-40 b/w 126-0(v7-33-2s)

$49.99

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QSI 112-0 (v7-26-1s) Chip Upgrade LLW GP9
QSI 112-0 (v7-26-1s) Chip Upgrade LLW GP9

$14.99

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QSI 1v7-20-2s Universal Chip Upgrade
QSI 1v7-20-2s Universal Chip Upgrade

$14.99

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LIONEL 2055 HUDSON STEAM ENGINE * LIQUID SMOKE * QSI TENDER * Railsounds * VIDEO
LIONEL 2055 HUDSON STEAM ENGINE * LIQUID SMOKE * QSI TENDER * Railsounds * VIDEO

$160.00

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QS INDUSTRIES, INC. QSI HOOTER FOR MODEL RAILROADING TRAINS SOUNDS NEW OLD STOCK
QS INDUSTRIES, INC. QSI HOOTER FOR MODEL RAILROADING TRAINS SOUNDS NEW OLD STOCK

$42.00

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HO Proto 2000 Chessie B&O SW9/1200 Locomotive #9602 w/Factory QSI DCC & Sound
HO Proto 2000 Chessie B&O SW9/1200 Locomotive #9602 w/Factory QSI DCC & Sound

$230.00

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Proto 2000 NYC GP-20 #2107 w/QSI DCC & Sound HO Scale New York Central
Proto 2000 NYC GP-20 #2107 w/QSI DCC & Sound HO Scale New York Central

$150.00

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QSI O/HO Scale Sound Bloxx BX-107 Haunted House
QSI O/HO Scale Sound Bloxx BX-107 Haunted House

$129.99

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HO Atlas Master Gold 9668 BNSF "Warbonnet" Dash 8-40CW Diesel #814 w/DCC & Sound
HO Atlas Master Gold 9668 BNSF "Warbonnet" Dash 8-40CW Diesel #814 w/DCC & Sound

$199.99

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HO Scale Proto 2000 920-41350 UP Union Pacific E8/9 A/B Diesel Loco Set w/ DCC
HO Scale Proto 2000 920-41350 UP Union Pacific E8/9 A/B Diesel Loco Set w/ DCC

$329.99

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HO Scale Lionel Die-Cast UP Union Pacific Veranda Turbine #73 w/ DCC - BAD GEARS
HO Scale Lionel Die-Cast UP Union Pacific Veranda Turbine #73 w/ DCC - BAD GEARS

$229.95

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NEW HO Scale Model Train 20x40 20x40mm Oval SPEAKER qsi mrc 8ohm/1watt S O on3
NEW HO Scale Model Train 20x40 20x40mm Oval SPEAKER qsi mrc 8ohm/1watt S O on3

$13.07

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QS INDUSTRIES, INC. QSI TOOTER FOR MODEL RAILROADING TRAINS SOUNDS NEW OLD STOCK
QS INDUSTRIES, INC. QSI TOOTER FOR MODEL RAILROADING TRAINS SOUNDS NEW OLD STOCK

$42.00

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QSI ho101-0 v7-27-0s HO Chip Grade BLI SW7/NW2
QSI ho101-0 v7-27-0s HO Chip Grade BLI SW7/NW2

$14.99

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QSI 120-0 (v7-6-0s) Chip Upgrade BLI E7
QSI 120-0 (v7-6-0s) Chip Upgrade BLI E7

$14.99

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MTH Replacement Speaker Proto-Sound 1 PS1 QSI 2" 50mm 8 ohm Steam Diesel Engine
MTH Replacement Speaker Proto-Sound 1 PS1 QSI 2" 50mm 8 ohm Steam Diesel Engine

$10.99

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Nice L/N ATLAS Gold HO MP-15DC CONRAIL Locomotive DCC QSI Sound Read FULL Descrp
Nice L/N ATLAS Gold HO MP-15DC CONRAIL Locomotive DCC QSI Sound Read FULL Descrp

$160.00

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(2) QSI 16K x 4 (64kbit) SRAM Cache RAM ICs QS8888-15P
(2) QSI 16K x 4 (64kbit) SRAM Cache RAM ICs QS8888-15P

$9.95

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L/N ATLAS Gold HO DASH 8-40C Norfolk Southern DCC Locomotive QSI Sound READ Desc
L/N ATLAS Gold HO DASH 8-40C Norfolk Southern DCC Locomotive QSI Sound READ Desc

$150.00

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HO Scale Atlas Master Gold 9610 CR Conrail Dash 8-40CW Diesel #6165 w/ DCC
HO Scale Atlas Master Gold 9610 CR Conrail Dash 8-40CW Diesel #6165 w/ DCC

$229.95

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QSI O Gauge Santa Fe (A.T.S.F.) “Horse Express” #43357 Stock Car w/ QSI Sound
QSI O Gauge Santa Fe (A.T.S.F.) “Horse Express” #43357 Stock Car w/ QSI Sound

$99.99

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QSI ACS-712 Sidekick II
QSI ACS-712 Sidekick II

$62.99

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ATLAS GOLD HO #3121 DRGW RIO GRANDE GP40-2 DIESEL DCC/QSI SOUND 10 000 418 MINT
ATLAS GOLD HO #3121 DRGW RIO GRANDE GP40-2 DIESEL DCC/QSI SOUND 10 000 418 MINT

$220.00

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Broadway Limited 646 HO Scale C&O EMD SW7 Diesel Switcher #5230 w DCC & Sound
Broadway Limited 646 HO Scale C&O EMD SW7 Diesel Switcher #5230 w DCC & Sound

$118.39

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QSI High Bass Speaker 0.90" (23mm)
QSI High Bass Speaker 0.90" (23mm)

$20.00

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HO Proto 2000 920-40479 WP Western Pacific GP7 Ph. 2 Diesel #704 w/ DCC & Sound
HO Proto 2000 920-40479 WP Western Pacific GP7 Ph. 2 Diesel #704 w/ DCC & Sound

$199.95

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HO Scale Proto 2000 31411 WP Western Pacific GE U30B Diesel #751 w/ DCC & Sound
HO Scale Proto 2000 31411 WP Western Pacific GE U30B Diesel #751 w/ DCC & Sound

$199.95

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HO Scale Broadway Limited BLI 757 PRR Pennsylvania GG1 Electric #4903 w/ DCC
HO Scale Broadway Limited BLI 757 PRR Pennsylvania GG1 Electric #4903 w/ DCC

$179.95

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QSI Corp QTERM-G55 Handheld HMI Controller
QSI Corp QTERM-G55 Handheld HMI Controller

$64.76

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L/N ATLAS Gold HO DASH 8-40C Union Pacific DCC Locomotive QSI Sound READ Descrip
L/N ATLAS Gold HO DASH 8-40C Union Pacific DCC Locomotive QSI Sound READ Descrip

$150.00

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Broadway Limited BLI Quantum Engineer Controller for QSI QARC Models
Broadway Limited BLI Quantum Engineer Controller for QSI QARC Models

$49.95

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QSI 3-Rail Electronics Power Guard with Green light Lionel track connector
QSI 3-Rail Electronics Power Guard with Green light Lionel track connector

$40.00

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HO Scale Precision 337 ATSF Santa Fe Alco PA A/B Diesel Locomotive Set w/ DCC
HO Scale Precision 337 ATSF Santa Fe Alco PA A/B Diesel Locomotive Set w/ DCC

$299.95

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QSI QG-1 QUANTAM WIRELESS RECEIVER FOR "G" SCALE, EXC (RED)
QSI QG-1 QUANTAM WIRELESS RECEIVER FOR "G" SCALE, EXC (RED)

$69.95

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HO Scale Broadway Limited BLI 220 WLE Railway 2-8-2 Steam #6012 w/ DCC
HO Scale Broadway Limited BLI 220 WLE Railway 2-8-2 Steam #6012 w/ DCC

$199.95

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HO Scale Intermountain 49026S-07 ATSF Santa Fe F7A Diesel Locomotive #214 w/ DCC
HO Scale Intermountain 49026S-07 ATSF Santa Fe F7A Diesel Locomotive #214 w/ DCC

$119.95

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Broadway Limited 370 EMD SD40-2 C&NW 6911 Sound DCC HO Quantum QSI Equipped
Broadway Limited 370 EMD SD40-2 C&NW 6911 Sound DCC HO Quantum QSI Equipped

$179.99

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Vtg Ham Radio CB Amateur QSI QSO Card K8SJU Ohio USA 1969
Vtg Ham Radio CB Amateur QSI QSO Card K8SJU Ohio USA 1969

$10.00

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QSI .58" x .40" 8 Ohm 0.8 WATT 16.5mm x 11.7mm Micro Oval Speaker
QSI .58" x .40" 8 Ohm 0.8 WATT 16.5mm x 11.7mm Micro Oval Speaker

$12.00

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QSI HO Scale Quantum Revolution-U PnP Format DCC Sound Decoder NEW! Universal
QSI HO Scale Quantum Revolution-U PnP Format DCC Sound Decoder NEW! Universal

$125.00

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HO Scale Roco 41901 UP Union Pacific Diesel Train Set w/ DCC, Cars & Track
HO Scale Roco 41901 UP Union Pacific Diesel Train Set w/ DCC, Cars & Track

$199.95

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Lionel Ho 6-58004 Union Pacific 3976 4-6-6-4 Challenger w/DCC/DC QSI Sound
Lionel Ho 6-58004 Union Pacific 3976 4-6-6-4 Challenger w/DCC/DC QSI Sound

$350.00

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HO Scale Walthers Undecorated F7B Diesel Locomotive w/ DCC
HO Scale Walthers Undecorated F7B Diesel Locomotive w/ DCC

$119.95

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HO Scale Broadway Limited BLI Unlettered 2-10-4 Steam Locomotive w/ DCC
HO Scale Broadway Limited BLI Unlettered 2-10-4 Steam Locomotive w/ DCC

$249.95

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QSI BXC-200 AC Wall Power Pack 13.5 VAC .4A
QSI BXC-200 AC Wall Power Pack 13.5 VAC .4A

$21.99

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HO Scale Proto 1000 CP Rail Canadian Pacific RS18 Diesel #8775 w/ DCC & Sound
HO Scale Proto 1000 CP Rail Canadian Pacific RS18 Diesel #8775 w/ DCC & Sound

$179.95

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QSI O/HO Scale Sound Bloxx BX-102 Barnyard Animals
QSI O/HO Scale Sound Bloxx BX-102 Barnyard Animals

$129.99

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HO Broadway Limited BLI PRR 4-4-4-4 T1 Duplex Steam w/ DCC& Sound - BAD GEARS
HO Broadway Limited BLI PRR 4-4-4-4 T1 Duplex Steam w/ DCC& Sound - BAD GEARS

$299.95

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(2) QSI 16K x 4 (64kbit) SRAM ICs, DIP22 QS8888-20P, FULLY TESTED
(2) QSI 16K x 4 (64kbit) SRAM ICs, DIP22 QS8888-20P, FULLY TESTED

$11.33

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QSI O GAUGE LIVE ACTION CATTLE SOUND CAR C&NW New Old Stock Original Box W
QSI O GAUGE LIVE ACTION CATTLE SOUND CAR C&NW New Old Stock Original Box W

$69.97

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QSI Gwire Receiver Replacement for Large QSI Decoders (ProMiniAir Receiver)
QSI Gwire Receiver Replacement for Large QSI Decoders (ProMiniAir Receiver)

$19.99

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HO Scale Broadway Limited BLI 631 Pennsylvania Green GG1 Electric w/ DCC
HO Scale Broadway Limited BLI 631 Pennsylvania Green GG1 Electric w/ DCC

$179.95

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HO Scale Broadway Limited LTD 734 RI Rock Island E7 A/B Diesel Loco Set w/ DCC
HO Scale Broadway Limited LTD 734 RI Rock Island E7 A/B Diesel Loco Set w/ DCC

$379.95

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QSI QL65D6SA Red Laser Diode 650NM 5MW 5MM- STD LASER (Lot of 10) BRAND NEW
QSI QL65D6SA Red Laser Diode 650NM 5MW 5MM- STD LASER (Lot of 10) BRAND NEW

$35.00

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HO Scale Atlas Unlettered Blue EMD SD24 Diesel Locomotive w/ DCC & Sound
HO Scale Atlas Unlettered Blue EMD SD24 Diesel Locomotive w/ DCC & Sound

$179.95

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HO Broadway Limited BLI Powerhouse CNJ 2-8-2 M1s Steam #858
HO Broadway Limited BLI Powerhouse CNJ 2-8-2 M1s Steam #858

$350.00

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HO Scale Intermountain 49017-01 ATSF Santa Fe F7A Diesel Locomotive #228 w/ DCC
HO Scale Intermountain 49017-01 ATSF Santa Fe F7A Diesel Locomotive #228 w/ DCC

$149.95

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QSI QG-1 Quantum "G" Wireless Receiver
QSI QG-1 Quantum "G" Wireless Receiver

$60.00

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Broadway Limited 091 HO PRR 11SA 2-10-0 Original Headlight Position QSI Snd/DCC
Broadway Limited 091 HO PRR 11SA 2-10-0 Original Headlight Position QSI Snd/DCC

$305.99

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HO Broadway Limited BLI 091 PRR 2-10-0 I1sa Steam #4440 w/DCC & Sound -BAD GEARS
HO Broadway Limited BLI 091 PRR 2-10-0 I1sa Steam #4440 w/DCC & Sound -BAD GEARS

$249.95

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HO Proto 2000 920-40851 IAIS Iowa Interstate GP7 Ph 2 Diesel #325 w/ DCC & Sound
HO Proto 2000 920-40851 IAIS Iowa Interstate GP7 Ph 2 Diesel #325 w/ DCC & Sound

$249.95

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MTH 30-1111-0 Norfolk & Western N&W 0-8-0 Steam w/QSI DCRU & Whistle 1997 C9
MTH 30-1111-0 Norfolk & Western N&W 0-8-0 Steam w/QSI DCRU & Whistle 1997 C9

$145.00

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QSI CE-4016B06 Speaker CE4016B06 w/o Mounting Hardware
QSI CE-4016B06 Speaker CE4016B06 w/o Mounting Hardware

$41.77

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HO Scale Intermountain 49526-03 ATSF Santa Fe F7B Diesel Locomotive #202A w/ DCC
HO Scale Intermountain 49526-03 ATSF Santa Fe F7B Diesel Locomotive #202A w/ DCC

$149.95

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Broadway Limited 368 EMD SD40-2 C&NW 6882 Sound DCC HO Quantum QSI Equipped
Broadway Limited 368 EMD SD40-2 C&NW 6882 Sound DCC HO Quantum QSI Equipped

$179.99

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Qsi 319 Terminal Controller Grayscale Handheld
Qsi 319 Terminal Controller Grayscale Handheld

$102.65

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HO Scale Intermountain 49517-02 ATSF Santa Fe F7B Diesel Locomotive #228B w/ DCC
HO Scale Intermountain 49517-02 ATSF Santa Fe F7B Diesel Locomotive #228B w/ DCC

$149.95

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QSI Qualidyne Systems Inc. 44231B-011 115vac input (or 230vac) 5 and 12 vdc outp
QSI Qualidyne Systems Inc. 44231B-011 115vac input (or 230vac) 5 and 12 vdc outp

$199.00

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HO Scale Proto 2000 920-40653 D&RGW Rio Grande F7A/B Diesel Set w/ DCC & Sound
HO Scale Proto 2000 920-40653 D&RGW Rio Grande F7A/B Diesel Set w/ DCC & Sound

$349.95

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HO Scale Broadway Limited BLI 764 ATSF Santa Fe E6 A/B Diesel Loco Set w/ DCC
HO Scale Broadway Limited BLI 764 ATSF Santa Fe E6 A/B Diesel Loco Set w/ DCC

$299.95

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HO Broadway Limited BLI 631 Unlettered GG-1 Electric w/ DCC & Sound - BAD GEARS
HO Broadway Limited BLI 631 Unlettered GG-1 Electric w/ DCC & Sound - BAD GEARS

$199.95

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HO Scale Atlas CNJ Jersey Central FM Trainmaster Diesel #2403 w/ DCC & Sound
HO Scale Atlas CNJ Jersey Central FM Trainmaster Diesel #2403 w/ DCC & Sound

$149.95

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HO Scale Broadway Limited LTD 734 RI Rock Island E7 A/BPWR Diesel Loco Set
HO Scale Broadway Limited LTD 734 RI Rock Island E7 A/BPWR Diesel Loco Set

$300.00

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HO BROADWAY LIMITED 008 M1b 4-8-2 PENNSYLVANIA PRR # 6704 DC DCC SOUND QSI
HO BROADWAY LIMITED 008 M1b 4-8-2 PENNSYLVANIA PRR # 6704 DC DCC SOUND QSI

$429.99

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HO Scale Proto 2000 ALCO RS27 Diesel Demonstrator #640-4 w/ DCC & Sound
HO Scale Proto 2000 ALCO RS27 Diesel Demonstrator #640-4 w/ DCC & Sound

$199.95

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HO Scale Proto 2000 920-40985 PRR E7A Diesel #5842A w/DCC & Sound - A-Unit ONLY
HO Scale Proto 2000 920-40985 PRR E7A Diesel #5842A w/DCC & Sound - A-Unit ONLY

$149.99

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HO Scale Lionel Die-Cast UP Union Pacific Veranda Turbine #61 w/ DCC - BAD GEARS
HO Scale Lionel Die-Cast UP Union Pacific Veranda Turbine #61 w/ DCC - BAD GEARS

$229.95

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QSI O/HO Scale Sound Bloxx BX-108 Seashore
QSI O/HO Scale Sound Bloxx BX-108 Seashore

$129.99

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QSI O/HO Scale Sound Bloxx BX-100 Country Night
QSI O/HO Scale Sound Bloxx BX-100 Country Night

$129.99

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