April 2001 - Thames & Kosmos is founded in Newport, R.I., by Jane Holdsworth. T&K operates a retail science and learning store, offers educational programs and summer camps for children, and runs science programs for the community. T&K's name comes from the Thames River in New London, C.T. and Kosmos, its partner company in Germany.

April 2001 - Work officially begins on new science kit distribution business with Kosmos.

September 2001 - T&K's first science kit, the Fuel Cell Car & Experiment Kit, developed in collaboration with Kosmos, hits the North American market.

September 2002 - Fuel Cell Car wins a Silver Parents' Choice Award.

December 2002 - Power House kit released.

June through September 2002 - 10 more kits are announced: Balloon Adventure, Bubble Builder, CHEM C101, CHEM C1000, Micro TREK, Kite Dynamics, Mind's Eye, Solaro, Detector Radio, and Crystal PRO.

August 2003 - Founder Jane Holdsworth succumbs to lung cancer. Her son, Ted McGuire, becomes president.

September 2003 - T&K begins to focus entirely on its growing wholesale kit distribution business, and closes retail store and educational classes.

December 2003 - T&K moves its headquarters to a larger, more suitable facility in Portsmouth, R.I.

January 2004 - First product catalog published.

July 2004 - Brainy Freeze Ice Cream Maker released.

Summer 2004 - Thames & Kosmos wins five Parents' Choice Awards, including two Gold Awards for Bubble Builder and CHEM C1000, and three National Parenting Center seals of approval.

September 2004 - CHEM C2000 and Perfume Science are released. A total of fifteen products are available during the 2004 holiday season.

January 2005 - Eleven new sales rep groups now cover the entire United States.

February 2005 - Two kits developed with the National Geographic Society are announced: Dinosaurs & Fossils and Earthquakes & Volcanoes.

February 2005 - CHEM C3000, Creative Cosmetics and Physics Workshop are announced. Twenty science kits now compose the T&K line.

September 2005 - Radio Ace joins the product line.

November 2005 - Six kits win Parents' Choice Awards, including a Gold Award for Creative Cosmetics.

February 2006 - Elements of Science, Dinosaur Expedition Kits, Dinosaur Skeleton Kits, Candy Factory, Microcontroller, Physics Discovery and Physics Solar Workshop are announced.

May 2006 - Fulfillment center moved to Wisconsin for more centralized shipping.

February 2007 - Fifteen new science kits announced, including Little Labs™, CHEM C500, Fuel Cell X7, Milestones in Science, and Physics Pro.

February 2008 - Eleven new science kits announced, including four new Little Labs, Electronics Workshop 1, Wind Power, TK2 Scope, Genetics & DNA, Space Exploration, Archaeology Kit: Egyptian Pyramid. Four new editions are annouced, including Perfume Science, Creative Cosmetics, Balloon Physics, and Bubble Science.