grieserburnsfamily

I can't get it to move. All the green lights are on. But it won't move! What am I doing wrong? I have a very upset 6 yr old boy.

I'm new to this site and have no idea what I'm doing. But my son also got the cargo train 60052 and we can't get it to move. All the green lights come on but no movement! What are we doing wrong?