This set is the combination of 4 different packages from the previous multi-models series and brings together all themes in a single set! It is a comprehensive set for creating impressive huge structures such as a tower, a suspension bridge and a truss bridge. It covers the "play-park" theme by containing instructions for a motorized ferris wheel, a carousel and a windmill. The subject of Levers is also covered with the two fully functional weight-scales and the flying machines featured include a jet plane, a helicopter and a bi-plane! The set includes the engino 3V geared motor and will help children use their creativity and enginuity to power up either the featured models or their own. Printed instructions are included for 12 models while the others can be dowloaded from the engino´s website. The package is suitable for 6-14+ year old builders.