Kapla
Kapla, these are the well-known wooden planks from sustainably managed forests that are all the same height, width and length. A classic among toys! The planks are shaped in such a way that you can make gigantic structures without glue, nails or anything else. Even without needing a plan. You pour the planks on the ground and the architect in every child is awakened.
The planks are made from wood harvested from sustainably managed forests in the Landes region of France , so that there will always be kapla planks available.
And this as an anecdote: when the Dutch have a nice idea, they usually come up with a nice name. That is also the case here: Kapla stands for KAbouter-PLAnkjes .