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Learn how Levers are used to
increase force and lift heavy objects and how the use of levers
can change the direction of motion. Build 6 working models
including a parking gate, a sew-saw, 2 types of weighting scales
and a wheel-barrow. A 36 page activity book is included with
innovative experiments and detailed explanation of the different
technological principles applied! Booklet with detailed building
instructions also included. |
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