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• This device is compliant to EN61010-2010 with certificates available on request
Each pack includes three balls in red
Polydron Bridges and Polydron Engineer
The lamphouse has cut-outs in its side giving a clear passage for the light while restricting the amount of stray illumination
There is no double-dotting or smearing
Formula Finder Single Kit (NBO) • This device is compliant toPutting It All Together The Writing Formula Understanding that the vast range of different substances are combinations of relativiely few elements is a cornerstone of Chemistry. The Philip Harris formula model sives student a simple, hands on model to explore chemical bonding. Using a simple Jigsaw analogue, the model provides a dynamic, visual and tactile method to see which combinations work and which don't. Magnetic pieces (that can be used on the