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Periodic Table of Elements
Kit includes Instruction & Activity Book
Spectrum Tubes demonstrate the wave properties of different gases
Sterilizes
Spiral Spring Abacus Periodic Table of ElementsLong Wave Form Spring, for experiment in wave motion, pulses, reflection and interference. Closed length: 1. 8m, Diameter 2cm. Premium Quality: Spiral Spring 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
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