Train Brick 2 x 4 x 1 1/3 Sliding Wheel Block - Type B with Ledge

Train Brick 2 x 4 x 1 1/3 Sliding Wheel Block - Type B with Ledge (part upn0184b) is a Transportation - Land used in 4 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.