You get inside after you talk to CJ's parents at the Science Fair. Chase the cat through the bathroom and it will disappear. Look through the microscope to see CJ's warning, but it is too late and you are shrunk. You have to recover items from the apartment and get mesages from CJ in the telescope.
(for the full solution, see the related question below)
MrSilva has the shrink ray he is the one who stole it and shrinks you
Get on the mini hot air balloon in the far part of CJ's room
you have to turn it on so the heater in cjs room turns on, blows you on her bed and you get across the fan.
in the science fair in the school building with his wife or Cj's mom in the science fair room
you don't do anything with them. You get the key that they are guarding.
YouTube poptropica shrink ray island part 5 start watching from there.... maybe go onto part 6
by putting the battery on the truck and dropping the book on top of CJ Desk then it will hit the ruler causing it to turn into a ramp Good Luck :D
easy goe to cjs room and click on the note that on the table next to the coputer and you ll shrink but ill skip the part when you have to throw away the toliet than you race to the prensable and then shell talk to you
the first signal means and says flush the thumb drive once you do that the second one is thief is Mr Silva i think for the second one
m4r13 cur13
m4r13 cur13 (no capitals)
you walk on the thermostat until the ball in the center of it turns red. this will make the heat vent turn on(in cjs room) and you will be able to jump on pieces of trash and get on cjs bed.