Parents know that if there's trouble to be found, kids will probably find it.
So it's no surprise that some of that trouble will lead to injury, and ACC has revealed more than 300,000 claims were lodged last year for children.
Out of a total 1.7 million ACC claims, 334,141 were made for children from newborns up to 14-years-old.
Boys outdid girls, with 188,529 claims compared to the girls' 145,612.
Many of the children's injuries were minor, with the majority (152,600) being soft tissue injuries such as bruises, strains and sprains.