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General Science

Welcome to EfstonScience,
the Science & Astronomy SuperStore

Canada’s Science Source since 1970

EfstonScience is Canada’s largest retailer of scientific products. Our Toronto SuperStore is packed with thousands of unique products to inspire the scientist in everyone.

eScience.ca lets you search and buy over 10,000 scientific products, kits, supplies and gifts for everyone from science enthusiasts, astronomers and DIY’ers to kids, parents, and teachers.

eTool.ca is our site dedicated to professional test and diagnostic equipment, specialty tools and toolkits for industrial telecom, electrical, PC LAN and computer technicians

eSolar.ca is EfstonScience’s Solar and Wind power division offering leading-edge wind and solar energy technology. With Ontario’s microFIT program, you can earn thousands while helping the planet. Find out more…

WE BUY USED TELESCOPES

Do you have a telescope you don’t use anymore?
Do you want to upgrade your telescope?

We’ll buy your used telescopes, spotting scopes and other observing optics and accessories. Even microscopes – for TOP DOLLAR!

It’s easy! In person or online

EMAIL

1. Download this pdf form to submit the equipment you would like for CASH or UPGRADE or TRADE-IN
2. Fill in the form and email it back along with photos of the item for sale.
3. We’ll appraise the equipment and send you AN OFFER!

IN PERSON

1. Visit the store with the equipment you would like to sell for CASH or UPGRADE or TRADE-IN
2. We’ll appraise the equipment and make you AN OFFER on the spot!