Sims 3 Im lost with lunatics challenge!?

This is based on the sims 2 shipwrecked challenge and the asylum challenge

"I have been shipwrecked onto a deserted island with 6 lunatic people,If we are to make it out of here we're going to have to develop certain skills to find our way out. It was a simple cruise to enjoy our favorite hobbies.. from cooking to working out or artsy types of people and much more" -Your sim

Setup
Create your sim and assign whichever 5 traits you see fit.
Create the other 6 sims and randomize the traits then takeout whichever trait and add the "Insane trait"

Roll a die to assign a skill to each sim (No two sims will learn the same skill) Keep rolling until all skills have been assigned
1.Cooking
2.Mechanical
3.Logic
4.Body
5.Art
6.Charisma
7.Gardening
Your sim may not have the gardening selected so roll a 6 so you pick your skill then whatever you rolled replace it with garden so the tribes mate can pick out.

-The sims may be related as far as it matters it can be 8 brothers/sisters but if you don't complete the challenge in time you will need offspring so at least only make some related

-If in sunset valley you could make the beach a home lot then move the sims into there and it could feel as if you really shipwrecked somewhere
-Your still going to need to learn how to garden since there are no fridges (as of now)


MISC.
-You may not leave the island to work
-You must ignore the postman and the newspaper deliverer. (You may pay the bills
however and recycle the newspapers, or find a hack to get rid of them)
-You may not sell any of your sims creating
-You will unlock the fridge with a mechanical level of 5 and gardening of 5
-No npc's
-All graves must remain on lot
-No deliveries
-You may have children but they cannot visit other sims homes until the tribes logic level is at 6
If a friend is invited you must ask them to leave
-No cheats unless used to fix a bug/glitch


Levitation and blocks
Cooking:
-No actual levitation needed during play but someone is going to need to learn how to
Cook for when they escape the island

Mechanical:
-In order to have a fridge you will need a skill level of 5
-Until level 7 is reached everything must be the cheapest object in its category
-You will need a skill level of 8 so you can build the canoe*

Charisma:
-To meet the neighborhood sims you must need a skill level of 6 (have to understand their language
-You will need a skill level of 5 until you can teach kids to talk
-You will need a skill level of 7 to convince the neighborhood people to let you borrow wood*

Logic:
-You will need a skill level of 6 until you can buy a telescope
-You will need a skill level of 4 before you can teach toddlers to use the potty
-You will need a logic level of 8 before you can research the waters to get out*
Art:
-You will need an art level of 5 before you can add a swimming pool
-You will need an art level of 7 before you can build stairs
-You will need an art level of 4 before you can add wallpaper
-You will need an art level of 7 before you can build the canoe blue draft*

Body:
-You will need a body level of 4 before you can teach a toddler to walk
-You will need a body level of 8 before you can get the survivors to run away*

*=Needed to finish the challenge


Building
-Try to make little huts for each sim
-Almost everything should be wooden or rubber
-Children must share huts with their family until their teenage years


Objects
-Buy a bookcase take out the cooking,logic, and mechanical book then delete the bookcase
-One easel
-Barbecue grill
-One chess board
-There is no fridge so your sims will have to eat harvest fast before they rot
-Only one sim is to have a cell phone (don't use everyone else cell phones)
-No electronics whatsoever except for a small radio
-Use lights that look like candles or torches