Pay in 4 interest-free payments of $5.74 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
One biconcave lens (2
All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible IR light for maximum classroom safety
acupuncturists and other healers for Low-Level Laser Therapy (LLLT) at home
Laser Blox are laser pointers designed for teaching and learning
25-Pack Classroom Periodic Table of the Elements Photo Flyer by Theodore Gray (8.5x11 in.) stem education One biconcave lens (2The iconic periodic table poster by author Theodore Gray is now available as an 8. 5" x 11" classroom pack for students! This work of art and science shows real photos of every stable element painstakingly collected and photographed in high resolution. The backside is full of reference information like atomic weight, density, boiling point, and more for the students to reference at their desks when doing calculations. It's a glossy, high resolution
US$ 99.99
US$ 95.99