The word Teacher is spelled out here using colorful squares representing elements from the periodic table. This is a great gift idea for teachers at back-to-school time or anytime! Especially perfect for science or chemistry teachers. Tellerium + Actinium + Hydrogen + Erbium = TeAcHEr. You can customize this gift! Move the word around, change the background color or style, add text or iamges -- make it your own!