ROKR LG503 Marble Run 3D Wooden Puzzle - Marble Explorer Code 100 - Wye 33-inch prototype wheels were used

33-inch prototype wheels were used on virtually all cars between 40 and 70 tons

Please roll them on a soft surface to avoid damaging the dice

SP and Santa Fe during the mid-1980’s was trying to become one railroad

Seems as though everyone has the same idea this sweltering July day

2" Stadium Truck Octagons Super Soft Green Compound

ROKR LG503 Marble Run 3D Wooden Puzzle - Marble Explorer Code 100 - Wye 33-inch prototype wheels were usedROKR LG503 Marble Run 3D Wooden Puzzle Marble Explorer Robotime ROKR Marble Explorer Marble Run LG504 is based on great human engineering. The design of this mechanical gears 3D wooden puzzle combines the beauty of science and machines, involving so many small gadgets. Build the marble run set and crank the handle, watch marbles run crazy down the slopes and twisting turns. Consists of a crane lifter as an elevator, swingback rails, 2 straight rails,