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Go Direct® Weather Vane The Go Direct Weather Vane accessory is required for Go Direct Weather (not included) to report the direction of the wind. Weather Vane is included with the Go Direct Weather System.
Inhalt 1 Stück
CHF 57.14 *
Middle School Explorations: Chemical Reactions Students investigate various types of chemical reactions as they build a model to explain what goes on at the molecular level during a chemical reaction. Students investigate endothermic and exothermic reactions, precipitate formation,...
Inhalt 1 Softwarelizenz
CHF 32.20 *