If you can stay sober long enough to build one, a company called Sentilla has developed a DIY “smart” beer coaster that could lead to a myriad of new drinking games for you and your friends to enjoy.

Learn how to make your own DIY coasters using one of these 50 tutorials! Homemade coasters are perfect for decor or gifts, and these projects are easy enough for beginners! If there’s one thing we ...