American Science and Surplus - A retail outfit carrying everything from toys and novelties to motors, tools and science kits.
Crystal River Gems - Large selection of jewelry, fossils, crystals, and object d'art.
Discovery Scope - Scopes for magnifying small objects. Accessories and t-shirts for sale.
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.
Geographics - Purveyors of decadence in academia, T-shirts, bumper stickers, and other paleontology and science-themed materials.