Use to perform experiments in reflection, refraction, and color mixing. The box has hinged sides with mirrors used for mixing of colors and rays of light. An adjustable lens in the box is used to produce divergent, convergent, or parallel rays of light...

Grade 4 and up.
A handy, compact unit easily suited to your laboratory needs. Features 1.25-15V DC, 0.5A@8V, 0.3A@12V, 0.2A@15V, and a short-protected IC thermo. Two-year warranty.