BrickLink - Part 2924bpb001 : LEGO Train Front with 1 x 4 x 2 Cutout and Electric Lightning Bolt and '9V' Pattern on Both Sides (Stickers) - Set 7898 [Train] - BrickLink Reference Catalog
BrickLink - Part 3009pb087 : LEGO Brick 1 x 6 with Black and Yellow Danger Stripes Pattern on Both Sides (Stickers) - Set 7898 [Brick, Decorated] - BrickLink Reference Catalog