Long Triangular Prism BK7 Optical Glass Physics Teaching Refracted Light Spectrum Children Present 180x40mm with Gift Box

 

Specifications:

Item Name:Optical Triangular Prism

Model: Triangular Prism

Model Number: LJ02-40180

Size : 40 x 40 x 180 mm

Prism Length: 180 mm

Side Length: 40 mm

Material: Bk7(K9) optical glass, NOT plastic

Weight: 460 g or so

This Triple prism is a brand new and durable one. It is used to research the refraction and dispersion of the light, and make a thorough inquiry of the forming of the rainbow. Let your children enjoy the fun of light! It is a good present for children!

 

Package Included:

1x triangular prism with gift box 

Payment:

• We only accept payment through Paypal and all major credit cards accepted by PayPal.
• Payment is received in 7 business days of auction closing.
• If you don't pay in time, we can't promise we will keep the item you bidded in stock all the time. 
• Any problem with payment please contact us first.

Shipping:

• Item will be shipped within 24 - 72 hours after full payment is received, and you can receive them within 12-30 business days. 
• We only ship items to your confirmed address in Ebay (except APO/FPO), so please make sure the address is correct before purchase.
• We are not responsible for import charges or fees.
• Damaged on Arrival: When you sign the parcel, please check it carefully. You'd better take a video or photos when open it. 

        If there is any damage or shortage for your parcel, contact your Post Office or Express company immediately.

        Please send video or photos to our service staff at the same time.

Contact Us:

• Your satisfaction is important to us.
• If you are not satisfied with the item, please contact us BEFORE leaving us any neutral or negative feedback, we will try our best to resolve any issue.
• Please note that we are using the automatic eBay Feedback system which would automatically leave positive feedback to buyers after receiving positive feedback from them.
• No refund or return is available for NEGATIVE feedbacks. 
• If you have any questions, you can cantact me.Our Business Hours（Beijing）: 8:30A.M.-5:30P.M. Mon-Fri. 

Thank you!