- Walk on Water - the University of San Diego annual contest where the participants design shoes that allow you to walk across the surface of a swimming pool.
- Fun Science Gallery - collection of scientific instruments to build yourself and experiments for amusement and didactic scope.
- Santa Barbara Science -
- Cool Science - proves that science can be fun. Includes experiments and information aimed at young people but interesting for all ages.
- Science Toys You Can Make With Your Kids - a work in progress describing how you and your kids can build and enjoy toys that demonstrate scientific principles, using common household materials and tools.
- Star Trails Society - opportunities for amateur scientists to contribute to research in astronomy, astrobiology, and other natural sciences, presented by NASA Space Science News.
- Science Explorer - experiments you can do at home with household items.
- Ciencia, Ciencia, Ciencia - tópicos sobre ciencia y tecnología en Español.
- Static Generator - describes static discharge experiments, and how to build a static generator and make big blue sparks with a Leyden Jar, without external sources of electricity.
- Do Science! - dedicated to cheap, hands-on science.
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