How do you beat at home level 4 on civiballs Christmas edition

for at home it is....
1. drop the red ball in the upper left Conner into the cannon
2.then drop the green ball into the small cannon on the train track
3. drop the bar that is stopping the train track
4.next drop the pink string of the red ball so it will swing then drop the last string so it will fall into the cannon
5. the green ball (not connected to the balloon) should be swinging now just drop it into the box
6. drop the final green ball into the cannon