Elenco was founded more than 30 years ago by 2 engineers, The core of Elenco® is still our strong engineering and design skills, Our test equipment has been proven to be reliable as well as affordable, Our niche in the electronics industry has expanded to include markets from Universities and High Schools to retail toy and hobby stores, Learn how you can transmit power using Cams and Cranks are how these can be used to convert reciprocal to linear motion, Build 5 models including an oil drill, a flying eagle, a crane and a moving figure, 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, Ages 6 and up, Choking hazard, Not for children under age of 3, SKU: OWI098