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All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible IR light for maximum classroom safety
hands-free on-off switch
stack or use separately
Tackle your physics problems with blazing efficiency
This product comes with a black barrel and is securely packaged inside a foam case with batteries included
Large Classroom Periodic Table of the Elements Photo Poster by Theodore Gray (53x27 in.) Quantity:2-pack in tube 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. The 53" x 27" (134 cm x 68 cm) size is huge, laminated, and double sided. The back side charts include more data about each element, around a smaller photo. Choose the 2 pack bundle savings if you'd like to display both sides together. This classroom sized poster is made in the USA on heavy
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