Amazon is currently selling LEGO City Cargo Train (7939) for $144. This is a discount of 20% for the current flagship LEGO City train. It’s a motorized train set that comes with a complete set of tracks and several other vehicles. This set will go out of print soon with the new trains sets coming out in the summer.
Don’t forget to buy more track! They’re also on sale for $16 at a discount of 20%.