Question about Carrera Paw Patrol - Ready, Race Rescue

Transformer / power supply unit is included. There is a rail part where the control unit is also plugged in, then plug in the connection from the power supply unit and then it runs.

You can unpack it and ride it without having to buy anything extra.

No transformer is included. Batteries must be purchased separately

There is no transformer, works with batteries.
Connection plug no idea