Indian project. I NEED HELP!!!!?

I have to do a project about an indian tribe of my choice and i have to do (1)-pick a tribe
(2)-pick an artifact and make it(model)
(3)-explain about that artifact and tell what is did, how it was used, ect., ect.
make it easy. i was thinking about a teepee but i have no info and stuff… give me info and tell me what to use to make it. i accept email and im. i am always on. please no stupid answers.