Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ This red light cold laser

This red light cold laser therapy acupuncture pen is the #1 red laser pointer of choice among chiropractors

and energy

These lenses are included in the Tech Light Lab kit

Comes in a secure black foam case with batteries included

Comes with a hard wooden case and soft foam cut-outs to keep your lenses and prisms protected between activities

Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ This red light cold 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