It’s hard to imagine a world without little plastic bricks, especially if you have a kid who’s obsessed. But what if LEGO were made of wood? The cool part is that they actually exist. And they’re compatible with the original bricks too.

Japanese firm Mokurokku has created a line of all-natural Mokulock bricks made of six different woods like maple and birch that turn building blocks into an art form. Each package costs around $25 and includes 24 wooden LEGO bricks. The details mention that some warping is possible due to heat and humidity — so keep them off the radiator! — but the non-toxic wooden bricks should interlock just fine with the LEGO parts you have at home.

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Mokulock: The wooden LEGO brick alternative that fits with your existing LEGO pieces

Mokulock: The wooden LEGO brick alternative that fits with your existing bricks

(Updated) As of 2020, the Mokulock bricks are no longer available through a Japanese site, but are now owned by IPPINKA and sold right through Amazon — good news, because when we originally published this post, the website was 99% in Japanese.

The idea of wooden LEGO pieces is just too cool not to mention. We love seeing something as ubiquitous as everyone’s favorite plastic bricks turned completely around. Who knew LEGO could be so zen?