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

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

Large selection of jewelry, fossils, crystals, and object d'art.

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

Offers a wide range of products for science enthusiasts.

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