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Collapsible Silicone Funnel - Cat# 19-1234

Fresnel Lens - 6 3/8" x 8 3/4" or 16.5 x 22.5 cm

Product Number: B-14-325

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Quick Overview

Fresnel Lens

Availability: In stock

  • Buy 2 for CA$2.75 each and save 22%
  • Buy 6 for CA$2.50 each and save 29%


For all of you would-be eco-friendly mad-scientists, this lens will create a wow factor for your students/learners like non-other! On a bright sunny day you can extract enough solar heat to burn a copper penny or see how long it takes to heat up a bowl of water! They are 6 3/8" x 8 3/4" or 16.5 x 22.5 cm. The background grid is 1/4" or about 0.5cm square. Wooden frame not included. Sold Individually.

Check out this lens in action below! 



Fresnel Lens - Melting Pennies 

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Click here to see our best sellers for STEM Home Learning and MAKER projects to let your kids tinker with and learn at the same time!


We completely understand if you cannot receive a shipment at the moment. NOT TO WORRY, we can hold your order to ship at a later date OR send it to your residence.

We can also tailor-make Home Learning Educational Kits for your students and ship them directly to their residence.


Our showroom and warehouse are OPEN! If you feel more comfortable with curbside pick-up that option is still readily available too!

You can place an order online or call our toll free line 1-800-263-3556 OR local (GTA) 905-731-6944 to speak to our Kidder team. We are available 9am to 5pm EST Monday to Friday.

Feel free to also reach us at our general inbox [email protected] if you have any questions or require a quote.