Optical Glass Prism Cube, Six-Sided Bright Light K9 Optical Glass Combine Cube Prism Stained Glass Prism for Teaching with Gift Box Clean Cloth(2.22.22.2cm)

Features: 1. Beautiful and unique design of cubic six sides can be pervious to light, in the same environment, different Angle different color rendering 2. 100% quality optical glass, made of K9 optical glass, with better refraction and clear reflection. 3. Used as a teaching or research tool 4. Beautiful appearance, can be used for decoration 5. Can also be used in photography, which can produce a good filter effect Specification: Material: K9 optical glass Size: 2 × 2 × 2cm / 0.8 × 0.8 × 0.8in 2.2 × 2.2 × 2.2cm / 0.9 × 0.9 × 0.9in(Optional) Package list: 1 × Optical Glass Prism 1 × gift box 1 × clean cloth