Algodoo

Try to drive the yellow train to the yellow circle and the green train to the green circle. Both shall arrive ~ at the same time.
Controls:
right arrow key to move the light crossways
left arrow key to move the dark crossways
yellow train always takes yellow railways
green always green railways.

Will you make it?
CPU intensive, so best run on fast Computer, as it might lag else!
Have Phun!
(I`ve put lotsa work in it!)