The Inventor series has a thematic approach with multi model capabilities. With inventor Motorised you can build numerous vehicles including planes, cars, diggers and motorbikes . By combining sets larger models can be created. Instructions on a number of builds are included in pack with free to download instructions available from the Engino Website. Motorised set. Multiple builds possible. Online model plans. Fully compatable across all engino systems. Develops stem priciples. Size H28, W38, D5.9cm. Batteries required: 2 x AAA (not included) plus . 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.