to do the 7th mission first u have to talk to g and find out wats goin on then go to the snow forts and talk to the constrution dude then go to the dock and speak to the blue team members with the target complete the game where u throw snow balls at the target then put the target on the clock tower after that go to g and ask him if u can use the magnet 3000 when he sais yes he will tell u the code wich is "key" put the code in then get the magnet and go to the ice berg with the magnet use it to get the spring when u have the sring go to the gaget room and put in in the test chamber and pull the lever then press on the fire icon and the pring will melt take it out then find one of the rings and give the ring to the blue team members. put the spring in the clock next go to the pizza palor and grab the sheet with the song on it sould be on the stage when u get it go to the stage and put the song on the piano and play the song u should notice a yelow puffle come out when u play the song he will come out and follow u around the stage but he will not leave nest go to town and talk to the rookie and get the paper he is handing out then take the picture to the puffle in the stage then go to the beach and grabe the green bucket fill it up with snow from the snow forts because its the best snow in cp then give the snow to the yellow puffle and he will make the gear out of the snow when that is done take the gear to the test chamber in the gaget room put it in and press on the snow icon the gear will freeze then put the frozen gear on the clock tower and make sure everything is in there the missing items are
the gear make out of snow and freeze in test chamber
the target get it of the blue team members by playing the game
the spring ice berg then melt in test chamber
good luck!