Some are merely advocating playgrounds with potentially dangerous toys, such as a merry-go-round, but others are seeking places for their children to start fires, build with hammers, and play flight with sticks.

No one wants their children to be injured of course, but the policy proposal from the D66 liberal democrats, which currently holds 7 seats in parliament, acknowledges that without spaces to explore and challenge themselves in, kids risk losing the opportunity to develop crucial skills.

"Rufty-tufty playing means that children might get a bump or a cut," according to the policy—but it's an acceptable risk the authors determine.