Rapido 033526 HO Scale MLW M420 + M420B Diesel British Columbia BCR 645 + 687 DCC Sound Roadname_M&StL This beautiful seashell puzzle is

This beautiful seashell puzzle is a reissue of our popular 1500 piece puzzle

" or looked at a pendulum clock and wondered

Assemble the Arithmetic Kit and discover how the Mechanical Addiator and Mechanical Multiplier work

and relube bearings to avoid damage

For use with the Robinson Racing GEN3 steel slipper units

Rapido 033526 HO Scale MLW M420 + M420B Diesel British Columbia BCR 645 + 687 DCC Sound Roadname_M&StL This beautiful seashell puzzle isRapido 033526 HO Scale MLW M420 + M420B Diesel British Columbia BCR 645 + 687 DCC Sound The M420 was equipped with the ALCO 12V 251c3 prime mover producing 2000 H. P. Most M420 units rode on MLW ZWT (Zero Weight Transfer) trucks. The only exception to this were the 5 units built for the Providence & Worcester, which rode on ALCO trade in FA trucks. The P&W required a different bolster design and a slightly different truck spacing, making them unique.