Ceramic Class with Patti Nelson: Things that are good to have:

There is a lot of stuff on this list. You definitely need some of your own tools. You probably want the sand paper. You need a respirator. And you need plaster to make molds. The rest of the stuff depends on how much you like to work on your own, how much you will be doing in the future, etc...

The Clay Shop

Mud Tools! I like a couple of yellow and green with a variety of corner shapes. http://www.theceramicshop.com/store/category/11/203/Ribs/Rubber/

Brushes-these are nice to have, any selection will do
http://www.theceramicshop.com/store/product/5076/Brush-Set-Talkon/

A rubber finger tool! I can't make a mold or build anything without it.
http://www.theceramicshop.com/store/product/1512/Wipe-Out-Tool%2C-Rubber-Shaper/

If you still need the basics- this is great:
http://www.theceramicshop.com/store/product/1690/Ceramic-Student-Tool-Kit/

Plaster
http://www.theceramicshop.com/store/product/395/Pottery-Plaster-%231/

At any store or from your home

Murphy's Oil Soap

A collection of small containers - Chinese Soup type

A towl

An Apron

A large sponge for clean up (its always good to have your own.

This stuff is at Home Depot or Lowes in the painting department-

A couple of buckets for mixing and to keep slip in
http://www.homedepot.com/h_d1/N-5yc1v/R-202264039/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053

You also might want a variety of wet/dry sand paper: