Arbor Scientific

dual red-green laser pointer

laser viewing tank

fog in a can spray handle

fog in a can

super fog machine

primary color light sticks

collision in two dimensions apparatus

slide mounted polarizing filters 50/pack

polarizing filters 50mm x 50mm (20/pack)

color filter paddle set

hydrion 1-12 ph paper test strips, 100/vial

spectrum tube air

spectrum tube power supply

spectrum tube argon gas

spectrum tube carbon dioxide

spectrum tube helium gas

spectrum tube chlorine gas

spectrum tube krypton gas

spectrum tube mercury vapor

spectrum tube oxygen gas