What you need...


Shoe box A shoe box or other similarly shaped box

Utility knife and/or scissors


Pen or pencil


Index Cards




Index cards

 Rainbow glasses

Diffraction grating (You can use the lens of "rainbow glasses," which you can order from the Exploratorium Store, or you can purchase diffraction grating from our store or from Edmund Scientific.)


rubberbandsRubber bands

 Real Audio What You Need
Start Cut the Box! Tape This Stuff Finishing Up