He will give it to you to open the jammed door if you sneak into his house and return him the twisted wizard game.
you have to get rowlys joshie membership card and that's how you open it ( !)
you have to set the alarm on the car go inside give rowley twisted wizard game.
from rowley give the bike trike
You have to get the Joshie Club Membership Card from Rowely then use it on the door.
you return the twisted wizards game back to rowly
rowley gives it to you
Joshie
you open the laundry room door with it in Greg's house.
you use the joshie membership card you get from rowley for returning his game
you get the joshie membership card of rowley and you get in the washroom and turn off the power... to be continued
It's used to open the laundry room in Greg's house
Use it to unlock the door at the far left in Greg's house.