Sent to you by nunok via Google Reader:
This is a set of well-designed coasters inspired by the periodic table, and handmade by Geek Modish from Massachusetts. As we can see from the images, the set contains six beautiful coasters, each one features an element from Alkaline Earth Metals including Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium (Ra). Moreover, the every coaster measures 3.25 x 3.25 x 1/4 inches, and is made from eco-friendly cork, laser cut and engraved for durability.
The handmade periodic table coaster set is priced at $19.50 USD. If you're interested, jump to Etsy for more details. Additionally, if you need other options, you might like to check the Super Mario coaster set and more via "coaster set" tag.