The M-Wave 659978 is a children's running bike designed to help improve a child's motion sequence and equilibrium sense, making it easier for them to learn cycling. It is suitable for children aged 3-5 years with a maximum load capacity of 30 kgs. The bike comes pre-assembled with an adjustable seat height for customized comfort. It also features a freewheel mechanism, allowing the child to coast without pedaling. For safety, the manual emphasizes the importance of using suitable safety gear and highlights that the bike is not intended for use in public traffic or on uneven paths.