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stack or use separately
Here is our favorite fluorescence experiment for you to try
wondering what's next to Technetium in the Periodic Table
hands-free on-off switch
Doubles as a pocket ruler and protractor
Super Safe Red Laser Pointer (Class 2) K-8 stack or use separatelyClassroom safe Class 2 (<1 mW) red laser pointer for science classroom investigations exploring geometric optics. Use it to teach and learn about the science of light and optics: reflection, refraction, diffraction and more. It's low power and extremely safe, yet visible. Recommended for working with elementary and middle school students. *This laser pointer is also compatible as a replacement part for NewJoy and Inspira quilting frames. Has a black
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