I thought it was a video game IP .
Fun Fact: Nintendo made it's own bricks in the past, called N&B Blocks: https://nintendo.fandom.com/wiki/N%26B_Block
Fan Fact 2: You can also see them in Super Mario Land 2: Six Golden Coins, where a series of levels seems to be made out of Lego, but if you look closely, the bricks are marked N&B
The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454
The Steam/GOG key gifting thread: https://gamrconnect.vgchartz.com/thread/242024/the-steamgog-key-gifting-thread/1/