Two underage Waikato sisters who both took cars out for a spin crashed into each other, hurting themselves and damaging the vehicles they were driving.

A 12-year old took a powerful Ford Falcon for a drive, and her concerned big sister, aged 14, set out after her in a Nissan Bluebird.

A member of the public, who was nearly hit by the 12-year-old, called 111 to complain and told police the driver "couldn't see over the steering wheel".

The 14-year-old sister did not get far in her journey to find her sister, as they collided at the entrance to their driveway on Te Kowhai Rd.

The accident happened at about 12.30pm on Monday.

"In this case we are very fortunate that no one was seriously injured but the poor member of the public who had already rung 111 concerned about the 12-year-old's driving was understandably distraught when she saw what happened," said Inspector Marcus Lynam.

Lynam said the girls were taken to hospital, where the 12-year-old is being treated for internal injuries and the 14-year-old for a fractured wrist.

Both cars were extensively damaged.

He said this accident demonstrates why there are graduated driver licences, because young people do not have the skills to react to situations that occur on the roads.

- © Fairfax NZ News