Little critters began his escape from the pipe on which they were able to get out of the lab and now they want to go back home! You'll be responsible for the fact that they were delivered directly into the portal that can be opened on one of the platforms! Using a slingshot, you'll shoot them and it is desirable to get into the portal, the more they will be able to escape the better they will be able to thank you enough then, and this is very important!