I'll be honest with you. Fly tying kits usually aren't very good. They typically have sub par tools and materials, some of which you may rarely use.
I truly believe that if one is to start tying, they should get an affordable vise and a few basic but necessary tools. Then start acquiring materials for patterns that you intend to learn. Before long, you'll find some overlap and that some of your materials can be used for more than one pattern.
Any fly shop worth its salt should be able to help you with this. You've posted here in the trout forum, so I assume that you'll be starting with trout patterns. If you have any questions about specific patterns, don't hesitate to ask. There are plenty of knowledgeable people here who can help.