Scale model kit of a german experimental scout vehicle with only 1 ever produced.

It comes in 4 parts - main body, two large wheels, and one supporting wheel on a rotating axis that allows you to make it look like the vehicle is turning.

All photos from the tank museum in Kubinka show the rear wheel oriented in such a way that the attachment point with holes on the supporting wheel faces towards the tank. It is however very possible that the wheel acts as a caster and therefore it should face the other way when the vehicle drives forward (holes facing towards the rear)