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Learn how you can transmit power using Cams and Cranks and how these can be used to convert reciprocal to linear motion. Build 5 models including a fishing crane, a pumpjack, a flying eagle, a sewing machine and a moving figure. A 36 page activity book is included with innovative experiments and detailed explanations of the different technological principles applied! A booklet with detailed building instructions is also included.

$ 39.99

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