Parts Needed for Train modification:		Possible Source:

2 yellow Door 1 x 3 x 1 Left			7186 Watto's Junkyard
2 yellow Door 1 x 3 x 1 Right 			ibid
2 black Plate 1 x 4 
1 black plate 6 x 10
2 black brick 2 x 2
2 black Brick 1 x 2 with Grille			1382 Scary Labratory 

(see www.peeron.com for more parts listing)