Mudflaper;
WarenP.'s advice on the "pattern kits", is a good one.
I've used these in teaching classes, and they've worked out very well because everyone had the same, amounts and types of materials, hooks, etc. Very good pictures to follow, so they could work at their own pace and even a fly, already tied, to compare their work to.
Here's a description of a basic kit set up, followed by a link where they can be purchased if you care to buy on line.
Many fly shops carry these kits, also, and as Warren noted "Under various names".
(quote)
Bob Henley's TIE-A-FLY kits are excellent 'how to' kits for fly tiers looking to expand their fly tying skills for specific patterns. Each of the Bob Henley's TIE-A-FLY kits includes a professionally tied pattern for use as a model, 12 hooks of various sizes and the appropriate material to complete the flies. (For example the Hare's Ear pattern would contain: Gold tinsel lead wire cut and sized, brown rooster hackle, Turkey feather and a spool of black thread, Four #12 hooks, Four #14 hooks, Four #16 hooks and detailed tying instructions.
http://wetfly.net/bobheti.html