American Science and Surplus
   A retail outfit carrying everything from toys and novelties to motors, tools and science kits.
   http://www.sciplus.com/

Crystal River Gems
   Large selection of jewelry, fossils, crystals, and object d'art.
   http://crystalrivergems.com/

Discovery Scope
   Scopes for magnifying small objects. Site includes accessories and t-shirts for sale, also.
   http://www.discoveryscope.net/

Edmund Scientific
   Offers a wide range of products for science enthusiasts.
   http://www.edsci.com/

Efston Science
   Science and astronomy superstore, with a wide variety of equipment and supplies for sale.
   http://www.escience.ca/

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.
   http://www.ectechnic.co.uk/

Enerdyne
   Optics, toys, garden products, Petoskey stones from Michigan.
   http://www.enerdynet.com/

Exploratorium Museum Store
   Science toys and games, puzzles, gifts, books, classroom resources, charts and posters, videos, and software.
   http://www.exploratoriumstore.com/

Explore
   Includes dinosaurs, flying toys, gyroscopes, astronomy, boats, globes, and solar kits.
   http://explore4fun.com

Gem Trees by Patrick
   Replicas of bonsai trees made with semi-precious stones.
   http://www.gemtrees.com/

Geographics
   Purveyors of decadence in academia, T-shirts, bumper stickers, and other paleontology and science-themed materials.
   http://localgeographic.com/

Microscope Pen
   Offers a 100x pocket microscope.
   http://www.microscopepen.com/

National Geographic Store
   Features maps, videos, DVDs, books, magazines, globes, and telescopes.
   http://shop.nationalgeographic.com/

National Wildlife Federation
   The online shopping site for the NWF featuring nature-themed products.
   http://catalog.nwf.org

Polarization
   Everything polarized, from variable sunglasses to science kits.
   http://www.polarization.com/shop/catalog/index.html

Quality Items of Montana
   Specializing in Oregon Scientific brand fitness and weather products.
   http://www.qualityitemsofmontana.com/

Science Fair Projects Online
   Purchase and download science fair projects with step by step blueprints.
   http://www.terimore.com/

Science Line
   Offers a large variety of science items.
   http://www.scienceline.net

Science Shirts
   T-shirts and other apparel with a variety of science themes. Also offers mugs, mouse pads, and other accessories.
   http://www.rutnet.co.uk/customers/scienceshirts/

Store for Knowledge
   A variety of kits, models and toys related to several sciences.
   http://storeforknowledge.com/

Technika Gadgets and Gifts
   Source for scientific equipment, gadgets and gifts.
   http://www.technika.com/navpage/cat_gdgt.htm

The Nature Store
   Books, videos and gifts with an emphasis on birds and butterflies.
   http://thenaturestore.com

The Science Company
   Sells a selection of weather instruments, microscopes, telescopes, GPS and related accessories.
   http://www.sciencecompany.com

Unlimited Exotica
   Rocks, minerals and fossils, cacti, succulents and carniverous plants.
   http://unlimitedexotica.com

Web-shops.net
   Offers a variety of scientific instruments, supplies, specimens, and kits.
   http://www.web-shops.net/

Yellowstone National Park Shop
   Assorted items, including books and apparel.
   http://www.travelyellowstone.com/shop/