Dual Green and Red Laser Pointer (Switchable) stem education Create your own holographic projection

Create your own holographic projection using our kit and your phone or tablet

Photo scale ruler to calibrate length in experimental images

and 635 nm red to stick

This work of art and science shows real photos of every stable element painstakingly collected and photographed in high resolution

Dual Green and Red Laser Pointer (Switchable) stem education Create your own holographic projectionThe best of both worlds A switchable red and green laser pointer all in one! The 650 nm red and 532 nm green each are rated as Class 3R (Class IIIA), which is <5 mW the brightest you can legally own without special permissions. Our laser pointers are guaranteed to be FDA compliant because we test each batch for conformity to the rated power levels. All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible