Delivery contents: 1 x Woozle Goozle - DIY engine kit. Includes: more than 320 parts for assembly. This model demonstrates how an internal combustion engine works. The kit illustrates the operation of a 6-cylinder four-stroke engine. The model operates using batteries as a power source. Visible movements of a 6-cylinder engine. Integrated LED lighting. Engine noise can be turned off separately. Batteries: 3 x 1.5V AA batteries required. Packaging dimensions: approximately 53 x 38 x 10 cm. Recommended age: from 8 years. Manufacturer: Besttoy. Manufacturer article number: B 43103. Warning! Not suitable for children under 3 years. Contains small detachable parts. Choking hazard!.