He will take a brick follow the instructions but when you see a red brick DON'T GO FOR IT but go on down the small valley thing laura and nick will meet you there follow the brikster clicking on everything he drops until you get back to the place where you made the helicopter. take it to the prison, the brikster will take it and get out of prison. To complete the game first with pepper build a helicopter then go to the pizzeria ensuring the helicopter is by the jail (turn right from police office) Go into the pizzeria and get a pizza papa brik will tell you to go to the jail because the person sounded like nick.
