The basic starter kit for leathercraft carving tooling leather, including the standard 6 piece craftools, a swivel knife and an acrylic storage rack holder.
This starter set comprising of camouflage, pear shader, beveler, veiner, seeder and background stamps gives the basics needed to start creating designs but cast from a less expensive metal.
Other Project Ideas:
Carved Leaves
Or another good place to start is with the Sheridan style flower in the Leather craft Handbook 6009-00. For best results use on vegetable tanned leather, though they do also work on the HeatForm/Tile Leather.