Lighting Kit, Suitable for opto electronic scanning of light and dark markings on moving objects or in conjunction with a reflecting foil to form a wide spaced obstruction sensor. The intensity of the laser beam is adjusted automatically according to the distance of the object
Overhead Math Resource Kit, include most popular overhead manipulative for teachers. Also included are fraction and decimal chart transparencies as well as 1 cm & 1in square graph transparencies
Communicating Mathematics Intermediate Guide with Color Tiles, Emphasize problem solving and the language of mathematics while exploring important math concepts. Each lesson includes complete teaching suggestions, and reproducible student worksheets
Resonance Wire, Ring Shaped, For demonstrating the vibration knots in determination of different frequencies. Wire ring with 4 mm plug. Diameter: 290 mm
Number, Measurement and Space, module establishes equivalence of sets by a one-to-one exchange of objects. Eg Upsetting equivalance (destroying conservation of numbers) by adding one object to a set, or taking one away, helps introduce vocabulary for comparing quantity
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