Ray box, simple, safe and sturdy source of projected light for many classic optics experiments, produces parallel convergent rays across a plane horizontal surface and the rays are intense enough to be traced in natural light. Built in solid aluminum extrusion casing, 100-240V 50/60 Hz
Glass Depression Slide, for use with specimens in liquid, Quality-Slide-Making Supplies, Aquatic Microorganisms Visible with These Slides, Round Corners for Safety, Thickness: 1.5 mm, Length: 3in, Width: 1in, Pack of 12
Premiere*Plain Slide, made of corrosion resistant glass with smoothly polished edges, Precleaned, 1mm thick, Packed 72pcs (1/2 gross) per box, 20 boxes (10gross) per case, Order per gross in multiples of 10, Dimension: 3X1 in(75x25mm), GR144
Economical laser pointer, are useful for many optical experiments, Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. Also includes a proprietary clip that is designed to hold laser button during experiments
Convex Mirror, Material: Glass, round, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 2in Diameter, 300mm FocalLength, 2mm Thick
MicroFlip* MP-250, is an extremely powerful LED lighted pocket Microscope that contains a unique flip-down slide base with an aspheric lens system for ultra precise image quality, 100x-250x power, contains a built-in UV flashlight