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14 helpful unit conversions
*This laser pointer is also compatible as a replacement part for NewJoy and Inspira quilting frames
For a heavy-duty classroom-sized version
and ultimately will save money after many years of use
One biconcave lens (2
Tech Light Lab LED Optics Kit Grades 7 - 12+ 14 helpful unit conversionsThe durable lights, lenses, mirrors and more in this light and optics kit make teaching and learning the science of reflection, refraction and color easy and fun! Targeted for students Grades 2 8.
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