K9 Glass Triangle Prism for Children Teaching

>> Product Description•Triangular prisms are used to disperse light, so as to break light up into its spectral components ( the colors of rainbow )
• Show your kids a rainbow and lead them to an interesting optical physics experiment
• K9 optical glass material for excellent refraction
• Bring it home as a specially meaningful present
+ Picture show of our triangular prismsfor education, rainbow maker
+ How to make rainbow by a triangular prism?
>> Company Introduction
>>Related Products
VY Optics could also manufacture and design other optical elements, includingachromatic lens,dome lens,filter,prism,ball lens,cylindrical lens,optical mirrors,spherical lensandrod lens, we can fabricatehigh-precision lensas per your requested.
>>FAQ
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·We'd like to supply samples for free if we have it in stock, but we don't pay freight.
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·Regarding inventory, it is 3 working days;
·For customized one, it's about 15-25 working days, depended on exact quantity and order date.
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·Yes, to customize special optical element and coating are available here.
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·T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
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·VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q:
·Low value sample: EUB, E Express of China Post, which is cheap;
·Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
·Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.