Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ These lenses are included in

These lenses are included in the Tech Light Lab kit

TSA compliant and more compact than a standard 6" engineering scale ruler

refraction and color easy and fun

and energy

The 53" x 27" (134 cm x 68 cm) size is huge

Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (40x20 in.) 6-12+ These lenses are included inThis 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