Rock Tumbler Set Microscope Type_Biological and at 152mm (6-inches) of

and at 152mm (6-inches) of aperture

Defined by its precision

and comets

65 mm allows direct mounting into any standard 2-inch eyepiece adapter

Rock Tumbler Set Microscope Type_Biological and at 152mm (6-inches) ofFeatures Rock tumbler mimics natural weathering process to turn rough edged rocks into smooth shiny stones with intriguing colors and patterns. Junior geologists will learn about rock composition and geological processes as they witness their everyday rock finds transform into works of art. Rocks are transformed through four stages of grinding polishing A variety of accessories are included to transform the final polished stones into a pair of