Kengo Kuma, the renowned architect known for his meticulous work with wooden structures, has utilised his knowledge in analogical joints to create a Japanese counterpart to Lego, named Tsumiki.

Meaning wooden blocks, this creative toy is only composed of minimal triangular cedar wedges — the prime geometry that’s most structurally stable. The wedge, however, trades its base for notches on its two legs, giving flexibility when connecting and stacking multiple pieces together.