Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ All of our green laser

All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible IR light for maximum classroom safety

Comes in a secure black foam case with batteries included

and more for the students to reference at their desks when doing calculations

refraction and color easy and fun

Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ All of our green laserThis iconic periodic table poster by author Theodore Gray shows real photos of every stable element painstakingly collected and photographed in high resolution. This 40" x 20" (100cm x 50cm) poster is single sided, laminated, and made in the USA on top quality paper with high resolution printing methods. For a heavy duty classroom sized version, look at our 53" x 27" double sided edition here. *Note that the small poster does not have element names