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24 pentagons
Illumination LED lights top and bottom
2mm Mounting Thread (in diameter)
The apparatus is designed for comparing rates of absorption or evolution of gases by small organisms
Kids just mix and match the polka-dot magnets—for endless patterns and designs
Cathode Ray Tube - Mechanical Effect Dropper Bulb 24 pentagonsIncluded: Cathode Ray Tube Mechanical Effect. To Demonstrate Cathode Ray Tube Mechanical Effect. If you need custom order with different sizes design please contact us. Premium Quality: Cathode Ray Tube mechanical Effect is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If
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