Samplers Revisited presents these two offerings in their Good Chemistry series - features a fun look at chemistry featuring
with different chemicals noted under letters in blocks that spell words relating to needlework, and also included is the the a chemical name starting with the letter or letters shown in the block as well as Atomic Number and Atomic Weight - features 103 x60 the word "Sew", and 156x60 the word "Stash" - W
