Periodic Table Building Blocks

20 solid wood building blocks
Feature all the elements of the periodic table
Great for wee geeks, chemistry geeks, science teachers
Each individual block is approx. 1.5" on each side
No unobtanium, because that doesn't exist No unobtanium here! H and He are brothers, but long ago He was granted title and lands, leaving behind his younger sibling. Since then, they have been on opposite sides of war, H unwilling to be civil and even-tempered. In a world where elements collide, only you can create order out of chaos. Will you strike Au? (Note: At ThinkGeek, we don't suggest striking anyone. But Gold, we More »