The 5 MODELS set is the smallest of the new engineering series with the innovative inclined package design. The package includes detailed printed nstructions on how to build five models (one at a time) that are big and fun to play with while introducing young builders to the award-winning engino building system. Children can build a helicopter, a sea-plane, a giraff, a see-saw and a house. The package is suitable for 6-14+ year old builders.