EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy
from $9.49
Anyumocz 2 Pcs Magic Kaleidoscope,Old World Kaleidoscope Classic Toys,Stretchable Long Classic Kaleidoscope Toy for Boys and Girls Gifts,Children Toys(Two Colors)
from $7.99
EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy - for Studying Light Sources, Measuring Wavelengths & Color Spectra
from $9.99
GloFX Liquid X-Kaleidoscope Tube Toy - Colorful Kaleidoscope - 7.5 inches
from $19.99
EISCO Labs Economy Spectroscope Tube, Pack of 6
from $18.99
Eisco Labs Demonstration Electroscope
from $37.99
Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope
from $32.99
Bits and Pieces - 2 Side View Port Kaleidoscope - Liquid Kaleidoscope Two Sided On The Stand - Unique Gift - Elegant Black Stand Measurs 3" x 1" and Kaleidoscope Measures 9" Long
from $19.98
Eisco Labs Gold Leaf Electroscope
from $31.99
Opti-Tekscope Digital USB Microscope Camera- True High Definition Macro 200x Zoom Imaging (1600x1200) – Video – Advanced CMOS Sensor – with 8 LED (Windows, MAC, Linux OS)
from $79.00
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