Price quote per m²
Artificial grass tiles of 50 x 50 cm equipped with a pin-hole connection, the tiles are usually laid in a staggered pattern so that they do not shift and are difficult to remove.
Sometimes a shock-absorbing surface is required, and rubber tiles are an option. One can also consider sand, wood chips, bark, and similar materials. No shock-absorbing surface is ideal. Unfortunately, rubber tiles are not cheap. Read more in this document about various shock-absorbing surfaces and the associated issues.
The thickness of these shock-absorbing safety tiles corresponds to a maximum fall height (shock absorption/shock-absorbing property).