You know those cool plastic rods that you bend and they glow in
different colors.  You can connect the ends and put them around your
neck.

Where can I buy these?

Hello r2-ga!

I was able to locate several places to order these fun products.

You can order them at any of the following pages:

Us3Products:
[ http://www.us3products.com/html/light_stick_novelties.html ]

GlowProducts:
[ http://glowproducts.com/glow_stick/products_chemical.html ]

Glowstick Factory:
[ http://www.glowstickfactory.com/ ]


Additional Links:

How Stuff Works: How Lightsticks Work
[ http://www.howstuffworks.com/light-stick.htm ]

Search Strategy:

Google: "Glowstick"

I hope this helps!