This set from the engineering series features 20 different models and includes printed instructions for the top seven models, while the others can be dowloaded from the engino´s website. The package also includes the engino 3V geared motor so that children can power up their models. The motorised model is a radar and other models include an off-roader, a chopper, a swing, a carriage etc (one at a time). The package is suitable for 6-14+ year old builders.