Engino Discovering STEM Simple Machines Mechanisms That Multiply Force | 60 Working Models | Illustrated Instruction Manual | Theory & Facts | Experimental Activities | STEM Construction Kit Engino brings complex concepts into clear focus for budding engineers and scientists with award winning components and step by step illustrated assembly instructions Simple Machines combines 5 STEM Mechanic sets into one fantastic set. Discover the functions and uses for Levers(STEM01)-Inclined Planes(STEM02)-Pulley Drives(STEM03)-Cams(STEM04)Worm Drives(STEM05) Build 60 working models such as a Scissor Lift, Catapult, Helicopter, Vise, Wind Mill and many, many more Manual includes 70 pages of theory and facts, a 16 page quiz, 25 pages of experimental activities illustrating uses Simple Machines, 71 pages of step by step, 3D rendered illustrations Models illustrated online at Engino's website or using the Engino 3D app downloadable free for Android or Apple iOS. MADE IN CYPRUS