Porcelain Mortar and Pestle Set with Unglazed Grinding Surface, 6 inch Item Type_Weights Twenty-six-page biology ABCs coloring book

Twenty-six-page biology ABCs coloring book introduces biological concepts through alphabet-letter themed illustrations for classroom and homeschool use

Single-pole double-throw brass knife switch on a durable plastic base

Red slate hand sample measures 3 inches with hematite-mineral coloration giving characteristic red tint to low-grade metamorphic foliation

5 DPDT slide switches

Series-type 0-100 ohm Ohm's meter in an unbreakable case with a clear front

Porcelain Mortar and Pestle Set with Unglazed Grinding Surface, 6 inch Item Type_Weights Twenty-six-page biology ABCs coloring bookPorcelain mortar and pestle set in 6 inch size holds 18oz with unglazed grinding surface for sample preparation and laboratory grinding procedures.