COMPLETE CHALKBOARD RAY BOX KIT

Description COMPLETE CHALKBOARD RAY BOX KIT This versatile, comprehensive Ray Box Kit allows teachers to demonstrate all geometric optics principles to the whole class. The Ray Box and all optical accessories can be firmly held to a metal chalkboard or whiteboard. The kit comes with a robust plastic box with a 12V halogen lamp, a cylindrical lens, a set of 5 slit diaphragms, a set of 7 color filters, a set of 7 color screens, two black screens, a set of 7 acrylic lenses, a plane mirror, a mirror with variable curvature, a rectangular reflection cell, and a power supply. Instructions included. 11”x12”x4”. Ages 13