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Premium Quality: Ray Box is made of high-grade construction all the way through
With brass terminal
For the Demonstration and Comparison of the phenomena of the Heat Conductivity of Metals
Heating up fast
and 600 lines per mm
Magnetic Field Frog Model Premium Quality: Ray Box isAcrylic Cube 75mm*75mm*75mm with Bar Magnet Dia. 10mm inside. Acrylic Panel 90mm*150mm. Premium Quality: This product 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 you need custom order with different sizes design, please contact us.
US$ 38.99
US$ 43.99
US$ 12.99
US$ 89.00
