Help them return their homes safely

Please find below the solution for: Help them return their homes safely. This is level 7 of the Naughty Microbes adventure. If something is wrong or missing please let us know and we will be more than happy to help you out.

Answer:

Place the rock in front of the boy on the right and the trash can in front of the girl. Then after the third person enters the house remove the rock so the second person can enter. Remove also the trash can from the girl's path after the second person has