Linkages
Learn how by connecting many levers together you can create models with complex motion. Learn how such links can be applied on various machines and build 6 working models including a mechanical extendable arm, a lifting platform, a pantograph, a moving figures toy, a folding ladder and a parallel weighting scale. 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.