The Out of the Blue Friction Mixer Truck, 16.5cm long, reference 56/0106, is a friction-powered toy vehicle, requiring no batteries or electric motor. Out of the Blue is a German brand of toys and leisure items, known for its variety of simple and fun play products for different ages. The friction mechanism activates the truck's movement by pushing it against the ground, a simple and robust system commonly used in small toy vehicles. It's a great option for children who enjoy construction vehicles and pretend play on a construction site.