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American Science and Surplus - A retail outfit carrying everything from toys and novelties to motors, tools and science kits..

Collectology.com - Offers specimens and gear for biological, paleontological, and geological collecting. Also offers appraisal services..

Crystal River Gems - Large selection of jewelry, fossils, crystals, and object d'art..

Discovery Scope - Scopes for magnifying small objects. Site includes accessories and t-shirts for sale, also..

Edmund Scientific - Offers a wide range of products for science enthusiasts..

Efston Science - Science and astronomy superstore, with a wide variety of equipment and supplies for sale..

Electro-Chem-Technic - Makes and sells a novel small fuel cell, and offers hydrogen sources, accessories and materials for self-assembling. Based in the UK..

Enerdyne - Optics, toys, garden products, Petoskey stones from Michigan..

Exploratorium Museum Store - Science toys and games, puzzles, gifts, books, classroom resources, charts and posters, videos, and software..

Explore - Includes dinosaurs, flying toys, gyroscopes, astronomy, boats, globes, and solar kits..

Gem Trees by Patrick - Replicas of bonsai trees made with semi-precious stones..

Geographics - Purveyors of decadence in academia, T-shirts, bumper stickers, and other paleontology and science-themed materials..

Microscope Pen - Offers a 100x pocket microscope..

National Geographic Store - Features maps, videos, DVDs, books, magazines, globes, and telescopes..

National Wildlife Federation - The online shopping site for the NWF featuring nature-themed products..

The Nature Store - Books, videos and gifts with an emphasis on birds and butterflies..

Nature's Wildlife Window - Offers nature-themed sculpture, home accessories, and clothing..

Omni Optical - Optical science, prisms, illusions, fiber optics, microscope, telescopes, optical science activity kits, magnifiers and binoculars are a few of the items offered..

Polarization - Everything polarized, from variable sunglasses to science kits..

Quality Items of Montana - Specializing in Oregon Scientific brand fitness and weather products..

The Science Company - Sells a selection of weather instruments, microscopes, telescopes, GPS and related accessories..

Science Fair Projects Online - Purchase and download science fair projects with step by step blueprints..

Science Line - Offers a large variety of science items..

Science Shirts - T-shirts and other apparel with a variety of science themes. Also offers mugs, mouse pads, and other accessories..

Store for Knowledge - A variety of kits, models and toys related to several sciences..

Tech Museum Online Store - Science toys, gadgets, gizmos, models, and reconstructions..

Technika Gadgets and Gifts - Source for scientific equipment, gadgets and gifts..

Unlimited Exotica - Rocks, minerals and fossils, cacti, succulents and carniverous plants..

Yellowstone Gifts - Assorted items, including books and apparel, from Yellowstone National Park..