LEGO bricks can be used to make forms for concrete. In this video I will show how I pour concrete directly into LEGO molds and how I use LEGO bricks to make silicone molds that can be used to make ...

The Lego-like blocks are made by Block solutions ... They need to be covered in gypsum board or concrete to meet fire-resistant standards. Since 2017, founder Markus Silfverberg and the Block ...