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Grades 3–5. Build 8 different real-world models, 1 at a time, to demonstrate 1st-, 2nd-, and 3rd-class levers as well as fixed, movable, and combination pulley systems. Includes a teacher's guide on CD-ROM with building instructions, real-life photos, and key facts for each model. Set supports 2 to 3 students working as a team; Classroom Solution consists of 8 complete sets.
Grades 3–5. Build 8 different real-world models, 1 at a time, to demonstrate 1st-, 2nd-, and 3rd-class levers as well as fixed, movable, and combination pulley systems. Includes a teacher's guide on CD-ROM with building instructions, real-life photos, and key facts for each model. Set supports 2 to 3 students working as a team; Classroom Solution consists of 8 complete sets.
