Lionel Trains, Train Sets, Train Tables, Antique Trains

N Scale Emd

Looking for Model Train on sale? Trying to find N Scale Emd or similar products? We share a great mixture of N Scale Emd, encompassing products such as Lionel, Model Railroad, Antique Train, Antique Model Train, and lots extra. Browse our full collection, or try doing a search for a particular N Scale Emd using the site search. Our site has access to hundreds of thousands of products from online sellers, so we just might have what you're trying to locate! Get N Scale Emd now!

N Scale Emd

Caterpillar D9g Forestry Dozer W/ Rake Blade And Winch - Emd 150 Scale N096 New

Caterpillar D9g Forestry - $659.95

Caterpillar D9g Forestry Dozer W/ Rake Blade And Winch - Emd 150 Scale N096 New

Cat D9h Dozer W/ Straight Blade, Ripper, Cab - White - Emd 150 Scale N146 New

Cat D9h Dozer - $629.95

Cat D9h Dozer W/ Straight Blade, Ripper, Cab - White - Emd 150 Scale N146 New

Caterpillar Cat D9g W/ Push Blade And Rounded Rops - Emd 150 Scale N142 New

Caterpillar Cat D9g - $599.95

Caterpillar Cat D9g W/ Push Blade And Rounded Rops - Emd 150 Scale N142 New

Cat D9h Scraper Pusher Dozer With Rear Trunion And Cab - Emd 150 Scale N099 New

Cat D9h Scraper - $589.95

Cat D9h Scraper Pusher Dozer With Rear Trunion And Cab - Emd 150 Scale N099 New

Cat D9g Scraper Pusher Dozer - Emd 150 Scale Model N108 New

Cat D9g Scraper - $589.95

Cat D9g Scraper Pusher Dozer - Emd 150 Scale Model N108 New

Cat D9h Dozer With Kelly Ripper And Cab - Yellow - Emd 150 Scale Model N116 New

Cat D9h Dozer - $589.95

Cat D9h Dozer With Kelly Ripper And Cab - Yellow - Emd 150 Scale Model N116 New

Kato 106-104-ls N Scale Candnw Emd E8a, Esu Loksound Dcc Train 6 Unit Set

Kato 106-104-ls N - $533.99

Kato 106-104-ls N Scale Candnw Emd E8a, Esu Loksound Dcc Train 6 Unit Set

Hallmark Models N-scale Emd Gp-9 'b' Unit Brass Locomotive 1

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 'b' Unit Brass Locomotive 1

Hallmark Models N-scale Emd Gp-7 Passenger Version Brass Locomotive 9

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Passenger Version Brass Locomotive 9

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 4

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 4

Hallmark Models N-scale Emd Gp-7 Passenger Version Brass Locomotive 10

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Passenger Version Brass Locomotive 10

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 5

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 5

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 7

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 7

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 6

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Standard Version Brass Locomotive 6

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 3

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 3

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 8

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-9 Passenger Version Brass Locomotive 8

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 15

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 15

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 47

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 47

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 51

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 51

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 18

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 18

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 13

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 13

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 14

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 14

Hallmark Models N-scale Emd Sd-45 Standard Version Brass Locomotive 45

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Sd-45 Standard Version Brass Locomotive 45

Hallmark Models N-scale Emd Sd-45 Modernized Brass Locomotive 42

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Sd-45 Modernized Brass Locomotive 42

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 16

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 16

Hallmark Models N-scale Emd Sd-45 Modernized Brass Locomotive 43

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Sd-45 Modernized Brass Locomotive 43

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 11

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 11

Hallmark Models N-scale Emd Sd-45 Standard Version Brass Locomotive 44

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Sd-45 Standard Version Brass Locomotive 44

Hallmark Models N-scale Emd Gp-18 Standard Low Nose Brass Locomotive 48

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-18 Standard Low Nose Brass Locomotive 48

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 17

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 17

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 19

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 19

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 12

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-7 Standard Version Brass Locomotive 12

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 52

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 52

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 59

Hallmark Models N-scale - $465.00

Hallmark Models N-scale Emd Gp-20 Standard Low Nose Brass Locomotive 59

N Scale Kato Custom Painted Rock Island Emd F3 Ab Diesel Engine Ri

N Scale Kato - $399.99

N Scale Kato Custom Painted Rock Island Emd F3 Ab Diesel Engine Ri

Atlas Emd Gp35 4626 4627 4628 Undecorated And Cp Rail Engine Set N Scale

Atlas Emd Gp35 - $355.00

Atlas Emd Gp35 4626 4627 4628 Undecorated And Cp Rail Engine Set N Scale

Kato N Scale Emd Sd70ace - Union Pacific W/esu Loksound Dcc 4141 Locomotive ...

Kato N Scale - $339.99

Kato N Scale Emd Sd70ace - Union Pacific W/esu Loksound Dcc 4141 Locomotive ...

N Scale Emd Sd70ace W/dcc And Sound - Up George Bush 4141 - Kato 176-8411-ls

N Scale Emd - $339.95

N Scale Emd Sd70ace W/dcc And Sound - Up George Bush 4141 - Kato 176-8411-ls

Kato N Scale Emd Sdp40f/freight Bundle | Bn | Kmt001

Kato N Scale - $331.36

Kato N Scale Emd Sdp40f/freight Bundle | Bn | Kmt001

3614 Emd E8 Ab Set, Atsf 82l/83a, Warbonnet , A-unit W/paragon3 Sound N Scale

3614 Emd E8 - $329.99

3614 Emd E8 Ab Set, Atsf 82l/83a, Warbonnet , A-unit W/paragon3 Sound N Scale

N Scale - 3786 Emd F3 A/b Set, Cgw 101a/101b, Maroon/red/yellow Scheme, A-unit P

N Scale - - $329.99

N Scale - 3786 Emd F3 A/b Set, Cgw 101a/101b, Maroon/red/yellow Scheme, A-unit P

Hallmark Models N-scale Emd F7-aandb Santa Fe Freight Locomotive Hobby Train

Hallmark Models N-scale - $329.99

Hallmark Models N-scale Emd F7-aandb Santa Fe Freight Locomotive Hobby Train

N Scale Emd Sd70ace W/dcc And Sound - Union Pacific The Spirit Kato 176-1943-ls

N Scale Emd - $329.95

N Scale Emd Sd70ace W/dcc And Sound - Union Pacific The Spirit Kato 176-1943-ls

N Scale Santa Fe Emd Sdp40f And 80's Freight Train Bundle - Kato Kmt-001

N Scale Santa - $329.95

N Scale Santa Fe Emd Sdp40f And 80's Freight Train Bundle - Kato Kmt-001

N Scale - Broadway Limited - 3808 - Locomotive, Diesel, Emd F7 - Southern - 4248

N Scale - - $329.00

N Scale - Broadway Limited - 3808 - Locomotive, Diesel, Emd F7 - Southern - 4248

N Scale Cbandq Emd E5a And Silver Streak Zephyr 6 Unit Set W/dcc - Kato 106-090-dcc

N Scale Cbandq - $325.00

N Scale Cbandq Emd E5a And Silver Streak Zephyr 6 Unit Set W/dcc - Kato 106-090-dcc

Hallmark Models Brass N Scale Southern Pacific Emd F7 Aandb Diesel Locomotive Ex

Hallmark Models Brass - $324.86

Hallmark Models Brass N Scale Southern Pacific Emd F7 Aandb Diesel Locomotive Ex

Kato 106-0203 Emd F2a And F2a Rock Island 2 Cars Set N Scale

Kato 106-0203 Emd - $321.40

Kato 106-0203 Emd F2a And F2a Rock Island 2 Cars Set N Scale

N Scale Broadway Limited Imports Emd F7a - Unpowered F7b Phase I Set With Sound

N Scale Broadway - $313.49

N Scale Broadway Limited Imports Emd F7a - Unpowered F7b Phase I Set With Sound

Kato N Scale Emd Fp7a/fp7b Milw 95a/b | Bn | 1060430dcc

Kato N Scale - $309.23

Kato N Scale Emd Fp7a/fp7b Milw 95a/b | Bn | 1060430dcc

Hallmark Models N-scale Emd F7-aandb Brass Locomotive 54

Hallmark Models N-scale - $300.00

Hallmark Models N-scale Emd F7-aandb Brass Locomotive 54

Atlas Emd Sd 7 4504, 4505 Southern Pacific Rd 1431, 1442 Engine Set N Scale

Atlas Emd Sd - $300.00

Atlas Emd Sd 7 4504, 4505 Southern Pacific Rd 1431, 1442 Engine Set N Scale

Rapido N Scale Emd Fl9 New York Metropolitan Transit Authority 5043 Dcdcc/sound

Rapido N Scale - $299.99

Rapido N Scale Emd Fl9 New York Metropolitan Transit Authority 5043 Dcdcc/sound

7 Atlas By Kato N Scale Emd Sd9 Diesel Locomotives Undecorated New In Ob's

7 Atlas By - $299.99

7 Atlas By Kato N Scale Emd Sd9 Diesel Locomotives Undecorated New In Ob's

Bachmann Emd Dd40ax Centennial Union Pacific 6919 Dcc N Scale

Bachmann Emd Dd40ax - $299.99

Bachmann Emd Dd40ax Centennial Union Pacific 6919 Dcc N Scale

Custom Detailed Kato Emd Sd-40-2, Dcc, N Scale Diesel Engine Upunited Way3700

Custom Detailed Kato - $299.00

Custom Detailed Kato Emd Sd-40-2, Dcc, N Scale Diesel Engine Upunited Way3700

Bachmann N Scale Emd Dd40ax Centennial Diesel Union Pacific 6942 Dcc 62258

Bachmann N Scale - $299.00

Bachmann N Scale Emd Dd40ax Centennial Diesel Union Pacific 6942 Dcc 62258

Broadway Limited Imports N-scale 3793 Emd F3 A/b Locos W/dcc/snd Prr 9512a/9512b

Broadway Limited Imports - $297.00

Broadway Limited Imports N-scale 3793 Emd F3 A/b Locos W/dcc/snd Prr 9512a/9512b

Broadway Ltd 3605 N Scale Emd E7 Ab Set Sal 3025/3107 Sound/dc/dcc Unpowered B

Broadway Ltd 3605 - $295.68

Broadway Ltd 3605 N Scale Emd E7 Ab Set Sal 3025/3107 Sound/dc/dcc Unpowered B

Kato 1764960and1dcc N Scale Emd Sd40-2 Burlington Northern 6792 And 7010 1 Pair

Kato 1764960and1dcc N - $289.95

Kato 1764960and1dcc N Scale Emd Sd40-2 Burlington Northern 6792 And 7010 1 Pair

Kato N Scale Emd Sdp40f Type Ivb Bnsf Maersk Esu Loksound V5 176-9241

Kato N Scale - $289.92

Kato N Scale Emd Sdp40f Type Ivb Bnsf Maersk Esu Loksound V5 176-9241

Kato 1767607ls N Scale Emd Sd70m Union Pacific 4000 Dcc With Esu Loksound

Kato 1767607ls N - $289.23

Kato 1767607ls N Scale Emd Sd70m Union Pacific 4000 Dcc With Esu Loksound

Kato 1060425dcc N Scale Emd F7a + F7b Cn 9080/9057 2-loco Set 106-0425 -dcc

Kato 1060425dcc N - $279.95

Kato 1060425dcc N Scale Emd F7a + F7b Cn 9080/9057 2-loco Set 106-0425 -dcc

Life-like N Scale Emd F7 Amtrak Diesel Locomotive W/ 5 Passenger Car Set

Life-like N Scale - $279.95

Life-like N Scale Emd F7 Amtrak Diesel Locomotive W/ 5 Passenger Car Set

Kato K10817 Emd Class66 Rail 4 Chem Pb017 Green N Scale

Kato K10817 Emd - $274.50

Kato K10817 Emd Class66 Rail 4 Chem Pb017 Green N Scale

Hallmark Model Brass N Scale Painted Kansas City Southern Emd F3 Aandb Train 506

Hallmark Model Brass - $269.99

Hallmark Model Brass N Scale Painted Kansas City Southern Emd F3 Aandb Train 506

Hallmark Model Brass N Scale Painted Rio Grande Emd F3 Aandb Train 550 Locomotive

Hallmark Model Brass - $269.99

Hallmark Model Brass N Scale Painted Rio Grande Emd F3 Aandb Train 550 Locomotive

Atlas 40004293 N Scale Gold Series Emd Gp35 Dcc/esu Loksound Penn Central 2256

Atlas 40004293 N - $268.74

Atlas 40004293 N Scale Gold Series Emd Gp35 Dcc/esu Loksound Penn Central 2256

Atlas 40003778 N Scale Gold Series Emd Gp30 Dcc/esu Loksound Bando 6944

Atlas 40003778 N - $268.74

Atlas 40003778 N Scale Gold Series Emd Gp30 Dcc/esu Loksound Bando 6944

Broadway Limited 3788 N-scale Emd F3 A/b Set, Dlw 805a/805b

Broadway Limited 3788 - $263.99

Broadway Limited 3788 N-scale Emd F3 A/b Set, Dlw 805a/805b

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Csx 4837 Yn3, Blue, Yel

N Scale - - $259.99

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Csx 4837 Yn3, Blue, Yel

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Csx 4836 Yn3, Blue, Yel

N Scale - - $259.99

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Csx 4836 Yn3, Blue, Yel

N Scale - 6292 Emd Sd70ace, Bnsf 9224, Swoosh Scheme, Paragon3 Sound/dc/dcc, N

N Scale - - $259.99

N Scale - 6292 Emd Sd70ace, Bnsf 9224, Swoosh Scheme, Paragon3 Sound/dc/dcc, N

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Bnsf Railway 9268 Orang

N Scale - - $259.99

N Scale - Emd Sd70ace - Sound And Dcc - Paragon3tm -- Bnsf Railway 9268 Orang

Atlas 40003987 Ns - Emd Sd60e -esu Loksound Norfolk Southern 6952 N Scale, Mib

Atlas 40003987 Ns - $259.95

Atlas 40003987 Ns - Emd Sd60e -esu Loksound Norfolk Southern 6952 N Scale, Mib

N Scale Emd Sd70ace Locomotive W/dcc And Sound - Union Pacific 9096 - Bli 6303

N Scale Emd - $259.95

N Scale Emd Sd70ace Locomotive W/dcc And Sound - Union Pacific 9096 - Bli 6303

Broadway Limited N Scale 1652 U.p. Emd E6 A/b Powered And Dummy Diesel Set Sound

Broadway Limited N - $259.49

Broadway Limited N Scale 1652 U.p. Emd E6 A/b Powered And Dummy Diesel Set Sound

Custom Detailed, Atlas Emd Gp-40, Dcc And Sound, N Scale Diesel Engine Cp 4618

Custom Detailed, Atlas - $259.00

Custom Detailed, Atlas Emd Gp-40, Dcc And Sound, N Scale Diesel Engine Cp 4618

Kato New 2021 Ho Or N Scale Analog Sound Box Emd 1st Gen Diesel 22-1011

Kato New 2021 - $258.23

Kato New 2021 Ho Or N Scale Analog Sound Box Emd 1st Gen Diesel 22-1011

Kato N Scale Canadian National Emd F7a + F7b Cn 9162/9193 2-loco Wowking Tested

Kato N Scale - $255.44

Kato N Scale Canadian National Emd F7a + F7b Cn 9162/9193 2-loco Wowking Tested

Broadway Limited 3920 N Scale Emd Nw2, Sound/dc/dcc, Prr 9168 - Brunswick Green

Broadway Limited 3920 - $252.99

Broadway Limited 3920 N Scale Emd Nw2, Sound/dc/dcc, Prr 9168 - Brunswick Green

Broadway Limited 3912 N Scale Emd Nw2, Sound/dc/dcc, Cgw 30

Broadway Limited 3912 - $252.99

Broadway Limited 3912 N Scale Emd Nw2, Sound/dc/dcc, Cgw 30

Broadway Limited 3924 N Scale Emd Nw2, Sound/dc/dcc, Up 1086

Broadway Limited 3924 - $252.99

Broadway Limited 3924 N Scale Emd Nw2, Sound/dc/dcc, Up 1086

Broadway Limited 3930 N Scale Emd Sw7, Sound/dc/dcc, Acl 645

Broadway Limited 3930 - $252.99

Broadway Limited 3930 N Scale Emd Sw7, Sound/dc/dcc, Acl 645

Broadway Limited 3934 N Scale Emd Sw7, Sound/dc/dcc, Dts 116

Broadway Limited 3934 - $252.99

Broadway Limited 3934 N Scale Emd Sw7, Sound/dc/dcc, Dts 116

Broadway Limited 3944 N Scale Emd Sw7, Sound/dc/dcc, Union Pacific 1812

Broadway Limited 3944 - $252.99

Broadway Limited 3944 N Scale Emd Sw7, Sound/dc/dcc, Union Pacific 1812

Broadway Limited 3931 N Scale Emd Sw7, Sound/dc/dcc, Acl 650

Broadway Limited 3931 - $252.99

Broadway Limited 3931 N Scale Emd Sw7, Sound/dc/dcc, Acl 650

Broadway Limited 3914 N Scale Emd Nw2, Sound/dc/dcc, Candnw 1013

Broadway Limited 3914 - $252.99

Broadway Limited 3914 N Scale Emd Nw2, Sound/dc/dcc, Candnw 1013

Broadway Limited 3936 N Scale Emd Sw7, Sound/dc/dcc, Great Northern 163

Broadway Limited 3936 - $252.99

Broadway Limited 3936 N Scale Emd Sw7, Sound/dc/dcc, Great Northern 163

Broadway Ltd 3712 N Scale Emd Sd40-2 Csx 8113 Yn3 Scheme Paragon3 Sound/dc/dcc

Broadway Ltd 3712 - $252.00

Broadway Ltd 3712 N Scale Emd Sd40-2 Csx 8113 Yn3 Scheme Paragon3 Sound/dc/dcc

Hallmark Models N-scale Atandsf Emd Sd-45 Brass Locomotive Santa Fe

Hallmark Models N-scale - $250.00

Hallmark Models N-scale Atandsf Emd Sd-45 Brass Locomotive Santa Fe

Hallmark Models N-scale Atandsf Emd Sd-45 Brass Locomotive Santa Fe

Hallmark Models N-scale - $250.00

Hallmark Models N-scale Atandsf Emd Sd-45 Brass Locomotive Santa Fe

Hallmark Models N-scale Dgrw Emd Sd-45t2 Tunnel Motor Samhongsa Brass Locomotive

Hallmark Models N-scale - $250.00

Hallmark Models N-scale Dgrw Emd Sd-45t2 Tunnel Motor Samhongsa Brass Locomotive

3474 Emd Sd70ace, Up 4141, George Bush 41, Paragon3 Sound/dc, N Scale

3474 Emd Sd70ace, - $249.99

3474 Emd Sd70ace, Up 4141, George Bush 41, Paragon3 Sound/dc, N Scale

Bli 3463 Emd Sd70ace, Ns 1067, Reading Company , Paragon3 Sound Dc/dcc, N Scale

Bli 3463 Emd - $249.99

Bli 3463 Emd Sd70ace, Ns 1067, Reading Company , Paragon3 Sound Dc/dcc, N Scale

Atlas N Scale emd Sd50 - Esu Loksound And Dcc - Master Gold -- Randn 5049

Atlas N Scale emd - $249.99

Atlas N Scale emd Sd50 - Esu Loksound And Dcc - Master Gold -- Randn 5049

Kato 1060430dcc Emd Fp7a-f7b Set W/ Dcc Milwaukee Road 95a/95b Loco N Scale

Kato 1060430dcc Emd - $249.99

Kato 1060430dcc Emd Fp7a-f7b Set W/ Dcc Milwaukee Road 95a/95b Loco N Scale

3704 Emd Sd40-2, Bn 6923, Green/black Scheme, Paragon3 Sound/dc/dcc, N Scale

3704 Emd Sd40-2, - $249.99

3704 Emd Sd40-2, Bn 6923, Green/black Scheme, Paragon3 Sound/dc/dcc, N Scale

3703 Emd Sd40-2, Bn 6811, Green/black Scheme, Paragon3 Sound/dc/dcc, N Scale

3703 Emd Sd40-2, - $249.99

3703 Emd Sd40-2, Bn 6811, Green/black Scheme, Paragon3 Sound/dc/dcc, N Scale