Paint for a model airplane kit can be purchased at any Hobby Shop. Try Hobbytown USA. They have a great selection of models and paints. You can also find some on www.Amazon.com.
you buy a kit and do what the instructions say
This webiste has reviews of model airplane kits. I do not know enough about them to make a suggestion. Hopefully this site helps. http://www.jitterbuzz.com/cleveland_kits.html
You will have literally thousands of places online to make choices. You should try www.internethobbies.com/inplasmodair.html and www.tridenthobbies.com/airplane-model.
You just need paper and good folding hands.
There are many different kinds of decals available from the hobby store. Some are the kind you immerse in water, and slide off the sheets onto the model. Other are a stick on kind with adhesive under a peel off backing. Still others are the kind you need to glue on. To find the kind that would work best for you, talk to the owner of your hobby store.
kit
One of the largest model kits of the space shuttle that you can buy is the Space Shuttle Model Kit inspired by Nasa , it has 143 pieces and is a great product to build with .
Building a flying model airplane from a kit is hard for some people but it really depends on your skill level and experince. Using a kit does help beginers because it comes with directions and pre-made parts.
buy a kit :D
You can not do this as they will sell only to wholesalers who buy thousands of any kit at one time. Your best plan is to find a wholesaler in your country.
buy a kit
buy a kit