A simple diffraction grating perfect for use in the lab or classroom. It can be used to demonstrate diffraction of light, or to measure wavelengths of light. It can also be used in conjunction with a laser pointer for certain experiments. Features 3 different gratings, measuring 100, 300, and 600 lines/mm respectively, lending versatility to the product. Essential for optics experiments.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build your own 10 inch kaleidoscope with this great kit!
Make the coolest 3D pin art on your desk with this amazing desk toy.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This plant and animal cell model activity set is a must-have resource for the science classroom!