With the materials included in each of these kits, you can tie at least 20 flies, which would otherwise cost over $60.00. The kits each come with a detailed tying instruction booklet with illustrations and photographs by Bob Clouser. Clouser's Deep Minnow Tying Kit Clouser's Crayfish Tying Kit Clouser's Swimming Nymph Tying Kit Clouser's Floating Minnow Tying Kit Leader Butt Kits