Build two models at the same time - a colourful Windmill and a matching Tractor - and use them for doing farming jobs; Use the Digger to create a fantasy airway, then re-assemble into a Propeller Plane and get ready for take-off; A large Spider is also included in this set, with curvy feet and round eyes, as well as a mighty Alligator. The easiest way of telling an alligator apart from its cousin, the crocodile, is by looking at its wide nose in comparison with the crocodiles narrow nose shape; Feel the adrenaline rush with the Race Car as you drive it to the Finish Line, two models that can be built simultaneously. If you like amusement parks, then you should try the Fairground Attraction with the strange seats or the classic Merry-go-round; All models are available as interactive 3D instructions viewed either from a PC or from smartphones and tablets through the ENGINO 3D Viewer app, downloadable for free in Android, Apple (iOS) and Windows mobile operating systems. Introduces new push fit connectivity with stackable building blocks. Multiple builds possible & fully compatable across all engino systems. Develops stem principles & online model plans. Size H27, W37, D5.5cm. For ages 3 years and over. Manufacturers 3 year guarantee. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. This product contains abs, tpe and nylon.