THE LABWORLD Wooden Periscope Big size 1 feet Height with Windows  (Beige)

Periscope Big size 1 Feet ,Made up of Seasoned wood for Kids Science Learning Activity.It is a Perfect tool to Learn the Reflection.It is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.