Founded in 1905 by Hans Wilsdorf and Alfred Davis in London. Moved headquarters to Geneva in 1919 due to post-war taxes. Registered "Rolex" brand name in 1908, became Rolex Watch Co. Ltd. in 1915
Scoop and cone matching game teaches addition and subtraction concepts. More or less dot games help students visualize numbers and compare numbers. Shape graphs help students recognize geometric shapes and represent data
Founded in 1845 by Ferdinand Adolph Lange in Glashütte, Germany. Brand was expropriated after World War II. Walter Lange revived brand in 1990 after Berlin Wall fall. Currently owned by Richemont Group since 2000
Games cover math, geometry, measurement, time, money, and word problems. Games include counting, addition, subtraction, shapes, and money concepts. Games are designed for both individual learning and reinforcement
Games make math learning engaging and enjoyable for all students. Activities cover standard math skills in engaging ways. Games help instill love of math from early elementary
Chronograph watch combines timekeeping with time recording functions. Also known as 6-hand watch or Stopwatch in Vietnam. Features 2-4 measuring rings arranged in specific positions