Most Polytek products come with two components that are purchased as "kits". As an example, if you purchase a 16-lb kit and the product is 1A:1B by weight, then you will receive 8 lb of Part A and 8 lb of Part B in your kit.
Polytek kits do not come with accessories like brushes, mixing tools and clay, although all of these items are available from Polytek.
The only exception is the Concrete Mold Making Starter Kit which is a great option for small, entry-level concrete projects.
If this kit is not right for your project, consider purchasing quart or gallon size products available in most product lines.