Here's a tutorial on how to make your sculpting tools.
In stores, we can find this sort of rather heavy tools which are not all that adapted to sculpting miniatures. This is why I'm about to show you how to make your tools and which are, in my opinion, better suited to sculpting miniatures.
Available Subtitles - Sous-titres Disponibles
In tutorial addition, here is images with tools shapes and dimensions.
For material, you can find it in your favorite model store.